A fasting person can still live a few weeks, but if fasting drink for 3 days or 4 days, it will die. Because the human body, which has 60-70% of body weight, distributed in all organs such as brain, blood, heart, liver, lungs, kidneys, bones, joints, muscles ... and have role important components that make up the quannhu: the brain is 85% water, blood 92%, 95% gastric juice, 75% muscle, bone 22%, 10% ... if the tooth parts shortage mild and moderate water will cause the body fatigue, sleepiness, constipation; dry skin, itching, because the cells dehydrated skin peeling, acne; nose bleeds because of dry mucous membranes, blood vessels more vulnerable; headache, dizziness, weak muscles; recurrent urinary infections because less water should not eliminate the residues and bacteria from the gastrointestinal tract; also easy to form kidney stones or regeneration due to the concentration of minerals; inflammation increases the risk of mouth, throat, respiratory tract because of air through the nose is not dampened, causing irritation and makes the lungs more sensitive to smoke, dust, chemicals, allergic rhinitis. Where serious water shortage will lead to hypotension, tachycardia; Dry mouth, very thirsty; skin, mucous membranes dry, no sweat; Dry eyes and sore, your body off balance and risk for diseases such as cancer in the laboratory.
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