夏日炎炎,外出活动时,人会大量出汗,严重的甚至会虚脱,在出门前吃根香蕉,能有效缓解这种情况。夏季感到身体虚弱常与缺钾有关。由于夏季出汗多,容易丢失钾元素,导致低血钾现象,通常人会感到疲倦、 Summer heat, when going out activities, people will be a lot of sweating, serious or even collapse, eat bananas before going out, can effectively alleviate this situation. Summer feel weak and often associated with potassium deficiency. Due to the summer sweat and more easily lost potassium, leading to hypokalemia, usually people will feel tired,