气象医学专家研究认为,当人体受到寒冷空气刺激后,交感神经兴奋,外周血管阻力增加,血压上升。尤其是65岁以上的老年人,体温调节及血管弹性反应能力减弱,对外界寒冷的适应性差,极易促发和加重心脑血管疾病,因此,冬季是老年人(尤其是患有慢性病者)的危险季节,应调节自己的饮食起居,以顺应天气的变化,避免一些有害健康的习惯性的做法,如—— Meteorological medical experts believe that when the body is stimulated by the cold air, sympathetic excitement, peripheral vascular resistance increased, blood pressure. Especially the elderly over 65 years old, weakened ability to regulate body temperature and blood vessel elasticity, poor adaptability to the outside world is very easy to trigger and aggravate cardiovascular and cerebrovascular diseases, therefore, winter is the elderly (especially those with chronic diseases) Dangerous seasons should regulate their daily diet to suit changes in the weather and avoid some unhealthy habits such as -