Saliva helps digestion and moisturises lips, nose, and eyes. Prevents wear. Water cleans teeth. It prevents tooth decay when substituted for sugary drinks.
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Problems with the skin and an accelerated ageing process can be brought on by dehydration.
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Dehydration affects brain function. It makes hormones andneurotransmitters. Dehydration impairs thinking and cognition.
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Temperature regulation When the body heats up, middle-layer skin water is released as perspiration. Body cools as water evaporates.
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It aids digestion. Water aids digestion. Dehydration causes constipation, acid reflux, and digestive difficulties. Heartburn and ulcers result.