人们在夏天总觉精神困倦,四肢疲乏,食欲衰退,工作能力下降,这是因为夏天气温高,人大量出汗,造成人体缺钠、缺钾所致,因此在夏季,除应适当补充氯化钠(食盐)外,还应适当补钾,才能使人体保持正常的生理活 People in the summer always feel sleepy, tired limbs, loss of appetite, decreased ability to work because of high temperatures in summer, a large number of people sweating, causing the body lack of sodium, potassium deficiency, so in the summer, in addition to appropriate chlorination Sodium (salt), but also appropriate potassium, in order to enable the body to maintain normal physiological activity