MadSci Network: Medicine
Query:

Re: Why do we need to drink water?

Date: Fri Mar 27 12:46:37 1998
Posted By: Robert West, Post-Doc\Functional Neuroanatomist, VA Hospital, Syracuse, NY
Area of science: Medicine
ID: 890221586.Me
Message:

Dear Harmen,

The reason we need to drink water is because we are mostly made of water. Living things are 50-99% water. Human beings are about 80% water. Each day you lose some of the water that makes you up, and must replace it.

What you really want to know is why we shouldn't replace the water we lose by just drinking lemonade.

The reason is that lemonade has a lot of sugar in it.

Sugar is a type of food that many living things use to make energy. However, sugar lacks a lot of other things that you need to be healthy, like vitamins, and minerals, and fiber. So, if you eat too much sugar, your body could get a lot of the energy it needs without getting enough of the other things it needs. Eventually, this could make you sick.

Also, the sugar that you eat will not only feed you, but it will feed other things, like the bacteria that live in your mouth. Under the right conditions, these bacteria can make acids that eat away the enamel on your teeth and cause them to decay. If you just drank lemonade sometimes, this probably would not be a problem. But if you drank lemonade all of the time, the bacteria would always have lots of food, and it would be more likely for you to get cavities in your teeth.

So, its really best for you to drink just water most of the time, and lemonade only sometimes.

If you have any questions please send me an email.


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