Healthy way to drink water

Sign of water deprivation: 1.dry skin, 2. dull nail, hair

How much water per day? 35-40 ml/Kg weight for adult. More in summer, less in winter. More in dry air environment. More water for breast feeding women. More water after a full meal, or fever.

How to drink water?

1. best temperature: 18-45 C. People with "cold energy"or "cold body" should not drink cold water.
   
2. Don't drink water right after meal. A couple of sips once in a while during the meal is OK.
3. 15-40 minutes before the meal is the best time, because it take 10 minutes for water to get to small intestines and absorbed there.