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How much water should I drink everyday?

A general rule of thumb is 6 to 8 glasses of water a day. But there is no ‘one size fits all’ rule, and water intake must be individualized. Another, more personalized answer is to drink daily (in liters) the result of your body weight in kg divided by 30. So, for example, if you weigh 66 kg, then you should aim to drink at least 2.2 liters of water a day.

If you live a physically active life, then your body might need even more water because perspiration leads to increased water loss. Another general rule of thumb is to drink an additional 1 to 2 glasses of water each hour.

If you suffer from thyroid disease or diabetes, or if you're taking medications that make you retain water, then please consult your doctor about the amount of water you should be consuming. Water restriction is also advised by doctors in certain kidney disease, liver disease and heart failure situations.

Build a good new habit: If you don’t drink enough water each day, start with a target of half the recommended daily amount based on your lifestyle to ease into this new habit.


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