中老年人空腹晨练是不良习惯,容易诱发缺血性中风、心绞痛、心肌梗死、脑出血、低血糖症和心律失常、结石、便秘等十分严重的疾病,空腹对原来有心脑血管病的人更是雪上加霜。晨练中头晕、心慌、腿软、站不稳、突然摔倒,以至发生严重性危险,都往往与空腹有关。空腹晨练,体内血糖过低,易诱发低血糖症,出现昏厥、头晕、心慌、四肢无力,以至心律失常。一夜睡眠,经过皮肤、呼吸、尿液消耗了大量水分和营养,处于生理缺水缺糖状态,加上清晨不饮水的习惯,血液 Fasting exercise in the elderly is a bad habit, easily induced ischemic stroke, angina, myocardial infarction, cerebral hemorrhage, hypoglycemia and arrhythmia, stones, constipation and other very serious diseases, fasting on the original cardiovascular and cerebrovascular diseases It is even worse. Morning exercises in dizziness, palpitation, soft legs, standing instability, sudden fall, as well as the risk of seriousness, are often associated with the fasting. Fasting morning exercise, the body is too low blood sugar, easily induced hypoglycemia, syncope, dizziness, palpitation, limb weakness, and even arrhythmia. Night sleep, through the skin, breathing, urine consumed a lot of water and nutrition, in a state of physical shortage of water and sugar, coupled with the habit of drinking water early in the morning, the blood