Most of us think we know how to stay hydrated, but small mistakes and old beliefs could be making you more dehydrated than you realise.
Here are some of the common mistakes and how to stay truly hydrated.
The 8-cups rule doesn’t fit everyone
The idea of drinking eight cups a day is outdated. Experts say hydration needs vary based on your body size, activity level and even the weather.
Women generally need about 11½ cups daily, while men need around 15½ cups to stay well hydrated.
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Hot weather drains your fluids faster
When it’s hot and humid, you lose more water through sweat - even if you don’t see it.
Extra fluid is needed to avoid heat-related problems like heat exhaustion. Add at least 16 ounces of water for every hour you spend outdoors in the heat.
Thirst is not a reliable signal
If you wait until you feel thirsty, you’re probably already mildly dehydrated. Thirst is more like a late warning sign.
Older adults are especially at risk because the body’s thirst mechanism gets weaker with age.
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Mild dehydration affects your brain
Even a small drop in body water - just 1 to 2 percent - can make you feel tired, unfocused and irritable.
Studies show that just rehydrating can quickly boost energy, memory and mood again.
Food is part of your hydration
About 20 percent of your daily fluids come from food. Fruits, vegetables, soups and smoothies all count.
Water-rich foods like watermelon, cucumbers and berries are delicious ways to stay hydrated, especially in summer.
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Chugging water doesn’t work well
Drinking lots of water at once doesn’t keep you hydrated for long and can even be dangerous if you overdo it.
It’s better to sip water throughout the day for better absorption and to avoid flushing out essential minerals too quickly.
Too much water can be dangerous
It’s rare, but drinking excessive amounts of water can dilute sodium in your blood, leading to a condition called hyponatremia.
This can cause confusion, headaches and even seizures in severe cases. Balanced sipping is key.
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Coffee and tea help hydrate you
Forget the myth that coffee and tea dehydrate you. Both are made mostly of water and contribute to your daily fluid intake.
So your morning cup counts towards staying hydrated.
Sparkling water is just as good
You don’t have to stick to plain water if you love bubbles. Sparkling water hydrates just like still water, so go ahead and enjoy that fizzy drink.
Sports drinks aren’t always better
Unless you’re exercising intensely for over an hour or sweating heavily, plain water is just fine.
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For long, sweaty sessions, a small amount of electrolytes can help, but you don’t need sugary sports drinks for everyday workouts.
Hydration starts before you exercise
Don’t wait until you’re sweating to think about fluids.
Experts recommend drinking about 20 ounces an hour before you work out, sipping every 20 minutes during exercise and topping up with more fluids afterwards.
Artiklen er baseret på informationer fra National Geographic.