6 Things That Happen to Your Body When You Don't Drink Enough Water

Hydrate, people!

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1. You're more likely to have health problems

Higher water intake has been linked to decreased chances of kidney stones, urinary and colon cancer, and heart attacks.

2. No water, No metabolism revving

In independent studies for his 2010 book The Water Secret, doctor Howard Murad found that a person's basal metabolic rate (the calories burned while at rest) speeds as the body becomes more positively hydrated and efficient.

3. You'll have to think harder to complete the same tasks

At the Institute of Psychiatry at King's College London in 2011, scientists found that the brain's of dehydrated teenagers had shrunk away from their skulls, and that when asked to play a problem solving game, they performed just as well as those who drank enough, but engaged more of their brains to do so. (Drinking water restores the brain to its normal size.)

4. You eat more

A 2010 study of 45 adults funded by the Institute for Public Health and Water Research found that those who drank two eight-ounce glasses of water before each meal consumed 75 to 90 fewer calories while eating. (Over three months, water-drinkers lost an average of five pounds more than the dieters who were parched.)

5. You look more wrinkled

In researching his book, Murad also found that water plumps skin, fills in fine lines and wrinkles, and enlivens a dull complexion.

6. You're in a bad mood

In 2009, researchers at Tufts asked members of the men and women's crew teams to engage in 60 to 75 minutes of high-impact aerobic exercise without drinking enough water first. Others were properly hydrated. The dehydrated group was more likely to report feeling fatigued, confused, angry, depressed or tense.

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