饮水不足研究发现，饮水不足，最先受其影响的是大脑，天长日久可导致脑的老化。因为体内水分减少，血液浓缩及粘稠度增加，容易导致血栓形成，诱发脑血管及心血管疾病；还会影响肾脏清除代谢废物的功能。所以，老年人在没有心脏病、肾脏病的前提下，每天饮水量最好不少于... Inadequate drinking water study found that lack of water, the first affected by the brain, over time can lead to brain aging. Because of the body to reduce water, blood concentration and viscosity increased, easily lead to thrombosis, induced cerebrovascular and cardiovascular disease; will also affect the function of renal clearance of metabolic waste. Therefore, the elderly in the absence of heart disease, kidney disease under the premise of daily drinking water is best not less than ...