04 August 2023 , 14:13
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We're always told that we need to stay hydrated, and that water is key to our overall health. Got a headache coming on? You're dehydrated. Feeling tired? Drink some water. With bottles designed to cheer us on and tell us that we've drunk enough, to cute, fun slogan t-shirts that remind us to 'stay hydrated', the health and wellness industry seems somewhat obsessed that everyone should drink at least two litres of liquid a day.
But how much water is too much? After the tragic news that a mum-of-two died of water toxicity after drinking too much water on a day out after feeling dehydrated, it's left people wondering just how much is safe to drink.
Ashley Summers, 35, felt dehydrated on a family trip, where the temperatures reached over 30C, so she gulped down four bottles of water, nearly two litres, in around 20 minutes. Two litres is the recommended amount the average person should drink per day, and as a result, Ashley soon felt lightheaded and had a headache.
Alex Ebner, Owner of ACE Medical Company, has shared that "according to scientists, a person will only live three days without water." He said: "By staying hydrated, a person can enjoy several important benefits in quality of life: more efficient brain function, higher energy, a healthier cardiovascular system, and fewer aches and pains." However, there is such a thing as drinking too much water.
He explained: "Hyponatremia (water intoxication) is a condition when someone drinks so much water they dilute the electrolytes (minerals and salts that regulate several bodily functions) in their bloodstream. In doing this a person will become more tired, experience nausea, and/or suffer confusion."
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Dr. Elena Salagean said: "The amount of water considered 'too much' will vary depending on your body size, weight, and general health condition. There isn't a generic cut-off for too much water as the amount will vary from person to person. Athletes in particular, or those living in hot climates, may need more water than others. As a general indication, it's best to drink according to your thirst levels and not to overdo it."
Dr. Naheed Ali also shared: "While the mantra 'stay hydrated' is well-known, understanding how much water might be too much is equally vital. Hydration is crucial to our well-being, but balance is key. Even something as beneficial as water can become detrimental if consumed in excess.
"Water intoxication is a rare but real and potentially dangerous condition. It's particularly prevalent among individuals who engage in intense physical activities, such as athletes or those in rigorous training. In these instances, someone might consume large amounts of water after demanding exercise, thinking it would aid in recovery.
"However, rapid intake can lead to adverse effects like confusion, nausea, and even seizures. This occurs because the human body's kidneys can only process about 0.8 to 1.0 liters of water per hour. Drinking beyond this rate can dilute the sodium in the blood, causing cells to swell. Interestingly, the commonly recommended eight glasses of water daily is not universally applicable. Factors such as body weight, physical activity, and climate must be considered when determining the right amount of water for an individual.
"Excessive drinking close to bedtime can also disrupt natural sleep rhythms through frequent nighttime bathroom trips, a condition known as nocturia. This disruption prevents deep, restorative sleep stages, leading to fatigue and restlessness. So, while staying hydrated is essential, it's equally important to avoid over-hydration. Listen to your body's cues, and try cutting back on fluids two to three hours before bed if you find yourself waking up frequently during the night. The goal is to find a balanced approach, staying sufficiently hydrated without overloading your system.
"Contrary to popular belief, over-hydration can be as harmful as dehydration. It requires mindfulness and moderation, debunking the myth that more water always equals better health. Water is indeed life-giving, but it's not a magic potion. Respecting your body's cues and finding your unique balance is the path to optimal health. Like any aspect of diet or lifestyle, water consumption requires understanding and individualisation, emphasising the importance of moderation."
Have you got a story to share? Email: danielle.wroe@mirror.co.uk