how does water system work?
Easiest Way to Lose Weight: Drink Water
Of all the food and beverage choices you face every day, what's calorie-free, virtually cost-free, and, oh yes, essential to keeping you alive? Plain water. But those aren't the only reasons to drink it.
"Water drives basic body performance," says Beth Reardon, director of nutrition for Duke Integrative Medicine, part of the Duke University Health System. "All of the systems in the body require water for proper functioning, and so do 90 percent of all chemical reactions in the body."
Here are the top five reasons to quench your thirst with water.
It will help you de-stress
Why: Being sure to sip water throughout a stressful day can soothe stress-induced symptoms as diverse as headaches, tense muscles, fuzzy thinking, a pounding heart, and low energy. That's because stress taxes all your basic body systems -- and when you're dehydrated, the effects are magnified.
Given that more than half your body weight is water, Reardon says, "just a 2-percent reduction in hydration has a dramatic impact on energy levels and cognitive function." And dehydration further raises levels of cortisol -- the "stress hormone."
Water won't wash your stressors away. But it can provide you with more energy, ease tension, slow breathing, and reduce the strain on your heart.
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