老年人因新陈代谢减慢等原因特别怕冷,尤其是到了冬天总感到手脚冰凉,这就是人们常说的“火力差”。要想过一个温暖的冬季,除加强体育锻炼、增加营养、注意防寒保暖外,还应多吃具有温热御寒作用的食物,给身体“加热”。老人冬季要多补铁。铁在人体内参与含铁血红素的合成,提高血液携氧能力,故缺铁者外周组织的氧供应就会减少,人体组织的能量代谢就会发生障碍,自然会因产热不足而感到寒冷。因此,老人平时要注意多补充含铁丰富的食 The elderly are particularly afraid of the cold due to the slow metabolism and other reasons, especially in winter, always feel the cold hands and feet, which is often said “fire is poor.” To think of a warm winter, in addition to strengthening physical activity, increase nutrition, pay attention to cold warm, but also should eat more warm warm food, give the body “heating ”. The elderly need more iron in winter. Iron in the human body to participate in the synthesis of heme and improve blood oxygen carrying capacity, it is iron deficiency peripheral tissue oxygen supply will be reduced, the energy metabolism of human tissues will be an obstacle, naturally due to hypothermia and feel cold . Therefore, the elderly usually pay attention to more iron-rich foods