The Importance Of Electrolytes For Athletes

The Importance Of Electrolytes For Athletes

The Importance Of Electrolytes For Athletes

The Importance Of Electrolytes For Athletes

LSI Keywords & Long-Tail Phrases for Topical Authority:

  • Sodium, Potassium, Calcium, Magnesium, Chloride, Phosphate, Bicarbonate
  • Fluid balance, hydration status, dehydration, hyponatremia, hyperkalemia, hypomagnesemia
  • Muscle cramps, fatigue, heat exhaustion, heatstroke, nerve impulses, neural function
  • Endurance athletes, strength athletes, team sports, high-intensity interval training (HIIT)
  • Sports drinks, electrolyte supplements, natural electrolyte sources, rehydration solutions, electrolyte tablets, electrolyte powders
  • Performance decline, recovery, endurance, stamina, power output, athletic performance
  • Sweat loss, sweat rate, individualized electrolyte needs, personalized nutrition
  • Electrolyte myths, overhydration, optimal intake,
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The Unsung Heroes of Hydration: Why Electrolytes Are Non-Negotiable for Every Athlete

Beyond Just Water: Understanding the Complexity of Athletic Hydration

Look, we've all been there. You're deep into a grueling workout, maybe a long run under the unforgiving sun, or an intense session in the gym. You're chugging water like there's no tomorrow, feeling that familiar slosh in your stomach, but something just isn't right. That heavy, leaden feeling in your legs persists. Your brain feels a little foggy, your concentration wavers, and you start to wonder if you've completely lost your mojo. You tell yourself, "I'm hydrated, I'm drinking water!" But are you truly hydrated in the way an athlete needs to be?

This is where the conventional wisdom about "just drink water" starts to fall flat, especially for anyone pushing their physical limits. Water is undeniably the foundation of life, the solvent for countless bodily processes, and the primary component of our hydration strategy. However, for a body under the immense stress of athletic exertion, water alone is like trying to run a complex electrical grid with only the conduit, but no actual current. You've got the pipes, but the vital flow isn't happening optimally. The feeling of being "off" despite adequate water intake is a signal, a quiet, insistent whisper from your body saying, "Hey, something's missing here."

I remember vividly a marathon where I saw a seasoned runner, someone I'd trained with for months, start weaving erratically around mile 20. The medical staff got to her quickly, and while she was clearly drinking water, her issue wasn't simple dehydration; it was a severe electrolyte imbalance that had led to hyponatremia – dangerously low sodium levels. She looked pale, confused, and utterly depleted, not just physically but mentally. It was a stark reminder that hydration is a nuanced, intricate dance, not a simple binary of "wet or dry." It's about maintaining a delicate internal equilibrium, a symphony of elements working in harmony.

Ultimately, understanding true athletic hydration means recognizing that it’s about more than just volume. It’s about balance. It's about ensuring that the fluids you're putting into your body can actually be used effectively, transported where they need to go, and facilitate the myriad of physiological functions that keep you moving, thinking, and performing at your best. This is precisely where the unsung heroes of our internal chemistry, the electrolytes, step onto the stage, ready to perform their critical role. They are the conductors of that internal symphony, the spark plugs in your body's engine, making sure everything fires correctly.

What Exactly Are Electrolytes? A Deep Dive into Their Chemical Magic

So, we toss around the term "electrolytes" a lot in the sports world, but what are they, really? At their core, electrolytes are minerals that carry an electric charge when dissolved in water, specifically in the fluids of your body like blood, urine, tissue fluids, and sweat. Think of them as tiny, charged particles, ions, that are absolutely essential for transmitting electrical impulses throughout your body. Without these charges, the intricate communication network that allows your muscles to contract, your nerves to fire, and your heart to beat simply wouldn't function. They are, quite literally, the spark that keeps your internal machinery humming.

The importance of this electrical charge cannot be overstated. Our bodies are complex bio-electrical systems, and electrolytes are the primary players facilitating this electrical activity. They are involved in nearly every major bodily function, from the most basic cellular processes to the coordinated movements of a marathon runner. They regulate fluid balance, determining where water goes in and out of cells, which in turn influences blood pressure and nutrient delivery. They are crucial for nerve impulse transmission, allowing signals to travel from your brain to your muscles and back again, which is fundamental for movement, reaction time, and even thought processes.

Furthermore, electrolytes play a pivotal role in muscle contractions. When you decide to lift a weight, run a sprint, or throw a ball, it's a cascade of electrolyte activity that makes it happen. Calcium ions trigger the contraction, while potassium and sodium help reset the muscle fibers for the next one. Without the right balance of these charged minerals, muscles can cramp, spasm, or simply lose their ability to contract effectively, leaving you feeling weak and unable to perform. It's a precise, synchronized ballet, and if one dancer is out of step, the whole performance suffers.

The key players in this electrolytic symphony are a handful of essential minerals: Sodium, Potassium, Chloride, Magnesium, Calcium, and Phosphate. While there are others, these "big six" are the ones we most commonly refer to in the context of athletic performance and hydration. Each has its specific role, but they collectively work in concert to maintain homeostasis – that stable internal environment so vital for survival and optimal function. Imbalances in even one can throw the entire system into disarray, leading to a cascade of unwelcome symptoms that can derail an athlete's training or competition. They are truly the unsung heroes, silently working behind the scenes, ensuring your body's electrical grid is always powered.

The Big Six: Essential Electrolytes for Peak Performance

Sodium: The Sweat Salter and Fluid Balancer

Sodium, my friends, is often misunderstood, sometimes demonized in the general health sphere, but for athletes, it is absolutely indispensable. This isn't just about salting your food; it's about a fundamental physiological requirement. Sodium is the primary electrolyte found in the extracellular fluid, meaning the fluid outside your cells. Its main gig is regulating this fluid balance, playing a critical role in controlling blood volume and blood pressure. You sweat it out, in often staggering amounts, and if you don't replace it, you're heading for trouble.

Think of sodium as the body's chief conductor for nerve impulses and muscle contractions. It's integral to the sodium-potassium pump, a cellular mechanism that literally powers the transport of nutrients into cells and waste products out. Without adequate sodium, these pumps falter, and cellular communication and function take a nosedive. This is why when sodium levels drop too low – a condition known as hyponatremia – you can experience severe symptoms ranging from headaches and nausea to confusion, seizures, and in extreme cases, even coma or death. I remember when a runner friend almost collapsed during a particularly hot ultra-marathon; her issue wasn't dehydration, as she’d been chugging plain water, but hyponatremia. Her body literally couldn't function because the essential electrical signals were getting scrambled.

The amount of sodium you lose through sweat can vary wildly depending on intensity, duration, climate, and even genetics. Some people are "salty sweaters," leaving visible white streaks on their clothes, indicating higher sodium concentrations in their perspiration. Ignoring this individual variability is a recipe for disaster. Replacing only water after significant sweat loss effectively dilutes the remaining sodium in your body, exacerbating the problem. It’s like trying to thin a stew that’s already too watery – you’re just making it worse.

So, while we're often told to watch our sodium intake for general health, for athletes, especially during prolonged or intense exertion, a strategic approach to sodium replacement is paramount. It's not about mindlessly pouring salt into everything, but about understanding your personal sweat rate and composition, and consciously incorporating sodium-rich fluids or foods into your hydration and recovery strategy. Ignoring sodium in an athletic context is like trying to drive a car without spark plugs – you might have all the fuel in the world, but nothing’s going to ignite.

Potassium: The Muscle Mover and Heart Helper

If sodium is the king of the extracellular fluid, then potassium, my friends, is the undisputed monarch within the cell walls. It's the primary electrolyte responsible for maintaining intracellular fluid balance, essentially ensuring that the right amount of water stays inside your cells. This balance is absolutely crucial for normal cellular function, nutrient transport, and waste removal. Without sufficient potassium, cells can't work efficiently, and the ripple effect throughout your body is significant.

Potassium's role in muscle function is profound. It works hand-in-glove with sodium to facilitate proper muscle contraction and relaxation. When your muscles contract, it's a meticulously timed exchange of these ions across cell membranes. If potassium levels are off, those contractions become less efficient, leading to fatigue, weakness, and, yep, you guessed it, those dreaded muscle cramps. It's not just about the big muscles you use for lifting or running; every single muscle in your body, including the most important one, relies on potassium to function correctly.

And speaking of the most important muscle, potassium is a critical player in maintaining a healthy heart rhythm. The electrical impulses that tell your heart to beat in a steady, coordinated fashion are heavily influenced by the balance of sodium and potassium. Low potassium levels (hypokalemia) can lead to irregular heartbeats (arrhythmias), which is obviously a severe health risk for anyone, let alone an athlete pushing their cardiovascular system to its limits. This is why you often hear medical professionals emphasize potassium intake, especially when diuretics are involved or in cases of severe illness.

Beyond muscle and heart function, potassium is also involved in nerve signal transmission and carbohydrate metabolism, helping convert glucose into glycogen for storage, which is vital for sustained energy during exercise. So, while you might not see the direct, dramatic effects of potassium imbalance as quickly as you might with sodium, its subtle, pervasive influence on almost every aspect of your performance and well-being makes it an indispensable electrolyte. Don't overlook your bananas, avocados, and leafy greens; your muscles and your heart will thank you.

Chloride: The Silent Partner in Balance

Chloride might not get the same star billing as sodium or potassium, but make no mistake, it’s a crucial supporting actor in the electrolyte ensemble. It’s the principal anion (negatively charged ion) in the extracellular fluid, working in tandem with sodium (the principal cation, or positively charged ion) to maintain fluid balance, blood volume, and blood pressure. You rarely hear about chloride in isolation because it’s almost always paired with sodium, forming sodium chloride – good old table salt. But its individual roles are just as important.

One of chloride’s key responsibilities is assisting in the maintenance of the body’s acid-base balance. Our bodies operate within a very narrow pH range, and even slight deviations can have severe consequences for enzymatic reactions and overall physiological function. Chloride ions, by moving across cell membranes, help regulate the acidity or alkalinity of our blood and other bodily fluids. This subtle, continuous adjustment ensures that the internal environment remains stable, allowing all those complex biochemical reactions to proceed without a hitch.

Furthermore, chloride is an essential component of stomach acid (hydrochloric acid), which is vital for digestion and for killing harmful bacteria ingested with food. So, while you might not directly feel the effects of chloride during a workout, its foundational roles in digestion and maintaining a stable internal pH indirectly support your athletic performance by ensuring nutrient absorption and overall bodily harmony. When an athlete experiences conditions like vomiting or diarrhea, chloride loss can become significant, further highlighting its importance and the need for comprehensive electrolyte replacement.

Because chloride is so closely associated with sodium, a balanced intake of sodium usually ensures adequate chloride levels. You’re typically losing chloride whenever you lose sodium through sweat, and replacing one usually means replacing the other. So, while it may be the silent partner, its contributions to fluid regulation, acid-base balance, and digestive health are a testament to its indispensable role in keeping an athlete’s body functioning at its peak. Don't take it for granted just because it's not the loudest voice in the room.

Magnesium: The Unsung Powerhouse of Hundreds of Reactions

Ah, magnesium. If I had to pick an "unsung hero" among the unsung heroes, it would be magnesium. This mineral is an absolute powerhouse, involved in over 300 enzymatic reactions in the body. That's not a typo – three hundred. From energy production and muscle function to nerve transmission and protein synthesis, magnesium is a critical cofactor in essentially every major metabolic pathway. Yet, despite its colossal importance, many athletes, and indeed a significant portion of the general population, are deficient in it. This oversight, frankly, can be detrimental to performance and recovery.

Let's talk energy. Magnesium is crucial for the production of adenosine triphosphate (ATP), the primary energy currency of your cells. Without sufficient magnesium, your body simply cannot generate energy efficiently, leading to feelings of fatigue, weakness, and a noticeable drop in athletic output. Imagine trying to run a high-performance engine on low-grade fuel – it might run, but it won't perform optimally, and you'll quickly notice the sputtering. For an athlete, this translates directly to hitting the wall sooner, losing power, and struggling with endurance.

Beyond energy, magnesium plays a pivotal role in muscle contraction and relaxation. It helps to regulate calcium transport, which is essential for initiating muscle contractions. Crucially, magnesium also helps relax muscles after contraction. A common sign of magnesium deficiency is increased muscle cramps, spasms, and twitching, particularly during or after intense exercise. It’s not just about the big, visible cramps either; it can manifest as persistent muscle soreness or delayed recovery, frustrating any athlete trying to push their limits consistently.

Furthermore, magnesium contributes to bone health, helps regulate blood glucose levels, supports immune function, and is incredibly important for nerve function and reducing stress. Athletes, with their higher metabolic demands and increased sweat loss, are particularly susceptible to magnesium depletion. Heat, stress, and heavy training all contribute to its excretion. So, if you're feeling inexplicably fatigued, constantly battling cramps, or struggling with recovery, it's worth taking a hard look at your magnesium intake. This isn't just a "nice-to-have"; it's a foundational mineral for peak performance and overall well-being.

Pro-Tip: The Magnesium Mystery

Many athletes experience persistent muscle cramps or restless legs despite ample sodium and potassium intake. Often, the missing piece of the puzzle is magnesium. Consider a magnesium supplement (like magnesium glycinate for better absorption) or increase your intake of magnesium-rich foods like dark leafy greens, nuts, seeds, and dark chocolate. It's a game-changer for many!

Calcium: Beyond Bones – The Contraction Catalyst

When you hear calcium, your mind probably jumps straight to "strong bones," right? And while calcium is indeed the most abundant mineral in your body and absolutely critical for bone density and structural integrity, its role for athletes extends far beyond the skeletal system. In the context of electrolytes, calcium is a veritable contraction catalyst, a master switch for muscle and nerve function that is essential for every single movement you make.

Calcium ions are the primary trigger for muscle contraction. When a nerve impulse arrives at a muscle cell, it signals the release of calcium ions, which then interact with muscle proteins, causing the muscle fibers to slide past each other and contract. Without this precise influx of calcium, your muscles simply wouldn't be able to generate force. This applies not only to your biceps and quads but also to your heart muscle, which relies on calcium for its rhythmic, life-sustaining beats. A sustained lack of available calcium can lead to muscle weakness, spasms, and even contribute to cardiac issues.

Beyond muscle function, calcium is also crucial for nerve signal transmission. It helps in the release of neurotransmitters, the chemical messengers that allow nerve cells to communicate with each other and with muscle cells. This means that calcium is directly involved in your reaction time, coordination, and the efficient signaling required for complex athletic movements. It also plays a role in hormone secretion and blood clotting, underscoring its multifaceted importance far beyond just keeping your bones dense.

While severe calcium deficiency (hypocalcemia) is relatively rare in athletes due to dietary intake and the body's tight regulatory mechanisms, consistent low intake or poor absorption can lead to subtle issues that impact performance over time. Don't fall prey to the misconception that "dairy is the only source" – fortified plant milks, leafy greens, fortified cereals, and fish with bones (like sardines) are excellent sources too. Ensuring adequate calcium, especially alongside magnesium and Vitamin D for absorption, is vital for not just preventing stress fractures but also ensuring every muscle fiber fires on command.

Phosphate: The Energy Currency Component

Last but not least in our Big Six, we have phosphate, often overshadowed but nonetheless fundamental. Phosphate, primarily found as part of the phosphate ion (PO4^3-), is intimately linked with calcium as a major component of bones and teeth. Roughly 85% of the body's phosphate is found in the skeleton. But its crucial electrolytic role for athletes extends deep into the realm of energy and cellular function, far beyond its structural contributions.

The most critical function of phosphate, especially for athletes, is its integral role in adenosine triphosphate (ATP), the body's primary energy currency. Every time your muscles contract, every time a nerve fires, every cellular process that requires energy, it's fueled by ATP. Phosphate groups are what make ATP "triphosphate" – meaning three phosphate groups – and the breaking and reforming of these bonds are what release and store energy. Without readily available phosphate, ATP production suffers, directly impacting your ability to generate power and sustain exertion. It's like having a wallet but no money inside it – you can carry it around, but it won't buy you anything.

Phosphate is also a key component of DNA and RNA, the building blocks of genetic material, and cell membranes. It helps regulate enzyme activity and, like chloride, plays an important role in maintaining the body's acid-base balance. During intense exercise, especially high-intensity anaerobic efforts, lactic acid can build up, lowering pH. Phosphate acts as a buffer, helping to neutralize these acids and maintain optimal physiological conditions, which can help delay fatigue and improve performance.

While dietary deficiencies of phosphate are generally uncommon in developed countries due to its widespread presence in many foods (meats, dairy, nuts, legumes), an athlete with extremely high energy demands and insufficient intake of these foods, or those with certain medical conditions, could potentially experience issues. However, its primary importance for athletes lies in its omnipresence in energy metabolism. So, while you might not actively "supplement" phosphate, understanding its role reinforces the interconnectedness of all these electrolytes in fueling your athletic pursuits.

How Athletes Lose Electrolytes: The Sweaty Truth

Let's get down to the gritty reality: athletes lose electrolytes primarily through sweat, and boy, do we sweat. It's the body's magnificent, ancient cooling system, designed to prevent overheating during physical exertion. But this isn't just pure water dripping off your brow; it's a complex cocktail of water, sodium, chloride, potassium, magnesium, calcium, and trace minerals. The amount and concentration of these electrolytes can vary wildly from person to person, and from one workout to the next, making it a highly personalized challenge.

The mechanism of sweating itself is fascinating. As your core body temperature rises, your eccrine sweat glands kick into action, drawing fluid from your blood plasma and secreting it onto the skin's surface, where it evaporates and cools you down. This process, however, isn't perfect. While the body tries to reabsorb some electrolytes as the sweat moves through the gland ducts, a significant portion still makes it out. Sodium and chloride tend to be lost in the highest concentrations because they are the predominant electrolytes in the extracellular fluid that sweat is derived from. This is why you often taste salt when sweat gets into your mouth, or see those ghostly white streaks on dark athletic gear after a particularly long or intense session.

Factors influencing sweat rate and electrolyte concentration are numerous and sometimes surprising. Intensity and duration of exercise are obvious culprits: the harder and longer you work, the more you'll sweat. Environmental conditions play a massive role too; exercising in hot, humid climates dramatically increases sweat rates. But then there's individual variability. Some people are simply "salty sweaters" by nature, genetically predisposed to losing more sodium per liter of sweat than others. Their sweat might contain two to three times the sodium concentration of a "non-salty" sweater. Heat adaptation also plays a role; as you become more acclimated to hot environments, your body becomes more efficient at reabsorbing sodium in the sweat ducts, meaning your sweat becomes less salty, helping to conserve vital electrolytes.

I've been on runs where I’ve literally felt the grit of salt on my lips and skin, almost like I'd been rolling in sand. That's a clear signal your body is emptying its electrolyte stores. Ignoring this signal, or simply trying to quench your thirst with plain water alone, sets you up for an electrolyte imbalance. It’s a bit like continuously draining the battery of your phone without ever connecting it to a charger; eventually, it’s going to die. For athletes, particularly those engaged in endurance sports or training in challenging conditions, understanding their personal sweat profile is not just useful, it's a critical component of their overall hydration and performance strategy.

Insider Note: The White Mark Test

Ever finish a long, hard workout and notice white, powdery streaks on your face, arms, or clothing? That's crystallized salt, indicating you're likely a "salty sweater." This means you lose a higher concentration of sodium in your sweat than the average person. If this is you, pay extra attention to sodium replacement during and after intense or prolonged exercise to prevent hyponatremia and performance drops.

The Perils of Electrolyte Imbalance: What Happens When You're Off-Kilter

The human body is an incredible machine, capable of remarkable feats, but it operates within tight tolerances. When the delicate balance of electrolytes is disrupted, that finely-tuned machine starts to sputter, stall, and eventually break down. For an athlete, an electrolyte imbalance isn't just uncomfortable; it can be performance-ending, health-threatening, and in severe cases, life-threatening. The symptoms can range from subtle annoyances to alarming medical emergencies, all stemming from that lost harmony.

Dehydration and Hypernatremia/Hyponatremia: The Sodium Spectrum

When we talk about hydration and electrolytes, sodium often takes center stage because of its direct connection to fluid balance and its propensity for significant loss through sweat. The perils of being off-kilter with sodium exist on a spectrum, with both too little and too much being dangerous. On one end, we have dehydration, often accompanied by hypernatremia (high sodium levels) if insufficient fluids are consumed. This happens when you lose more water than sodium, concentrating the sodium in your remaining body fluids. Symptoms usually include intense thirst, dark urine, fatigue, decreased urine output, and can progress to confusion and even seizures as cells struggle to function in such a concentrated environment. It's your body shrieking for water.

On the other end, and arguably more insidious for many endurance athletes, is hyponatremia (low sodium levels). This typically occurs when an athlete drinks excessive amounts of plain water without adequate sodium replacement during prolonged or intense exercise. The excessive water dilutes the body's existing sodium levels, causing cells, particularly brain cells, to swell. The symptoms mirror dehydration in some ways – headaches, nausea, muscle cramps – but also include confusion, disorientation, and extreme fatigue. This is why you sometimes see news reports of marathoners collapsing post-race showing signs of over-hydration rather than under-hydration. It’s a critical reminder that it’s not just about volume, but about the composition of your fluid intake.

The critical balance is difficult to achieve without conscious effort. Athletes are often so focused on "drinking enough" that they sometimes overcorrect, leading to the dangers of hyponatremia. Or, conversely, in extremely hot conditions, they might become so dehydrated that remaining sodium becomes too concentrated. Both ends of this spectrum compromise the body's ability to transmit nerve impulses, contract muscles, and regulate blood pressure and temperature. It's a tightrope walk where the stakes are your health and performance.

The implications for athletic performance are obvious: impaired decision-making, reduced endurance, and decreased strength are just the beginning. The more severe symptoms require immediate medical attention. We're not just talking about a bad workout here; we're talking about serious physiological distress that can have lasting consequences. Understanding your sweat rate and electrolyte needs specific to your activity and environment is the only way to navigate this treacherous spectrum safely.

Muscle Cramps and Spasms: More Than Just a "Knot"

Oh, the dreaded muscle cramp. Every athlete knows that sudden, searing pain that brings you to a grinding halt, twisting your muscle into a knot you can’t seem to undo. While the exact physiological mechanisms of exercise-associated muscle cramps (EAMC) are still debated, electrolyte imbalances—specifically involving sodium, potassium, magnesium, and calcium—are strongly implicated. It’s not just an inconvenience; it’s a direct signal that your internal electrical system is malfunctioning.

Think about it: muscle contraction and relaxation are absolutely dependent on the precise flux of these charged minerals across cell membranes. Sodium and calcium initiate the contraction, while potassium and magnesium facilitate relaxation. If any of these are out of balance, the delicate dance stops, and the muscle can get "stuck" in a contracted state. Low sodium levels can directly impair nerve signal transmission, while low potassium and magnesium can prevent proper relaxation, leading to sustained, painful spasms. I've seen elite athletes drop out of races simply because their calves locked up, not due to fatigue, but because their electrolyte balance had gone awry.

The agony of a mid-race cramp is an emotional reaction to a physical reality. It's not just a physical phenomenon, it's a mental battle of frustration and pain. It can strike without warning, turning a perfectly planned performance into a desperate struggle. While local muscle fatigue and nerve excitability also play a role, the systemic impact of electrolyte deficits cannot be understated. It's often the cumulative effect of long duration, high intensity, and significant sweat loss that tips the scales, pushing the body beyond its ability to compensate.

Preventing these debilitating cramps often comes down to proactive electrolyte replacement. It’s about more than just stretching or getting a massage; it's about ensuring the foundational chemical messengers are present in the right concentrations. Ignoring widespread or recurring cramps as mere "bad luck" or "pushing too hard" is a mistake; it's your body sending a clear, painful memo about its internal environment. Listen to it, and replenish those vital minerals.

Fatigue and Decreased Performance: The Energy Drain

One of the most insidious consequences of electrolyte imbalance, especially for athletes, is the creeping onset of fatigue and a noticeable dip in performance. It's the feeling of "hitting the wall" or "bonking," often attributed solely to carbohydrate depletion, but in many cases, electrolyte deficits are equally, if not more, culpable. When your body's electrical grid is faltering, every physical and mental process becomes less efficient, draining your energy reserves faster than usual.

Consider the role of magnesium in ATP production, or potassium and sodium in transmitting nerve impulses. If these processes are compromised due to a lack of available electrolytes, your muscles can't contract with the same force or endurance. Your brain struggles to send clear, consistent signals. This isn't just about physical weakness; it often manifests as mental fogginess, reduced concentration, and impaired decision-making. You might find yourself making poor strategic choices during a game, or struggling to maintain focus during a long, monotonous training session. The energy drain isn't just in your muscles; it's in your mind, too.

Imagine trying to run a complex computer program with only half the power supply connected. It might boot up, but it will be slow, glitchy, and eventually crash. That's what happens

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