●伏天要防中暑新近医学研究发现,凡中暑的病人,几乎都有血钾浓下降现象。主要表现为头晕、恶心、倦怠无力、心跳不规等症状,严重时会呈现昏迷状态。有人曾做过这样一项有趣而具有说服力的试验:将钾的大白鼠放在酷热环境中,结果半数以上发生死亡,补充钾盐者则全部安然无恙。由 ● V day to prevent heat stroke Recent medical research found that patients with heat stroke, almost all have a decline in serum potassium concentration. Mainly for dizziness, nausea, fatigue, irregular heartbeat and other symptoms, severe coma will appear. One interesting and persuasive experiment has been made in which potassium-deficient rats are placed in a hot environment, with more than half of all deaths occurring, and all of the potassium supplements are safe and sound. by