到了夏天,人人皆知要准备一些防暑药,其中人丹、十滴水和清凉油又是家庭必备的,这是为什么呢? 盛夏之日,每人的出汗量可高达0.5～1升之多,大量出汗的结果,必然引起人体水份和盐份的大量丢失。此时血液浓缩,血容量减少,心脏的负担随之加重。血循环不畅,导致脑组织供血供氧不足,于是出现头昏、头晕、头疼等一系列症状。水和盐份的丢失,还会引起胃液分泌减少,胃肠功能失调而使人食欲下降,甚至出现恶心、呕吐等消化道反应。这时候,如果含服一些人丹、喝几滴十 Summer, everyone knows to prepare some sunstroke medicine, of which Dan, ten drops of water and cool oil is a family essential, which is why? Sweat volume per person can reach as high as 0.5 to 1 liters A large number of sweating results, will inevitably cause a lot of human water and salt loss. At this point blood concentration, blood volume decreased, the burden of the heart aggravate. Poor blood circulation, leading to inadequate oxygen supply to brain tissue, so there dizziness, dizziness, headache and a series of symptoms. Water and salt loss, but also cause decreased gastric secretion, gastrointestinal dysfunction and decreased appetite, and even nausea, vomiting and other gastrointestinal reactions. At this time, if some people drink Dan, drink a few drops of ten