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The Bottom Line: Do you need to drink eight glasses of water a day?

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The amount of water a person needs daily should be determined on an individual basis, doctors say.

The amount of water a person needs daily should be determined on an individual basis, doctors say.

PHOTO: ISTOCKPHOTO

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SINGAPORE – In the recent weeks of hot and humid weather, have you been having headaches, feeling cranky or dealing with constipation? Then you may not be drinking enough water, say doctors, as these are common symptoms of dehydration.

Many people have heard that one needs to drink eight glasses of water a day. However, doctors say this amount is an oversimplification and may not meet a person’s daily water needs.

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