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寒冷的冬季,往往使人的食欲有所增加,但这并不意味着在冬季人体需要更多的热量。有关研究表明,人体在冬季所需的能蹙的差距并不很大。因为人体在寒冷气候下甲状腺功能增强,去甲肾上腺素与肾上腺素分泌增多。这一系列生理变化能加速体内大多数组织细胞的氧化过程,增加产热。如果忽略人体本身的生理耐寒能力,而一味依赖饮食御寒,过多地食用高热能、高脂肪食物和酒类等,则对大多数冬季缺少体力运动的人来说,是不妥当的。尤其是对于肥胖及心血管功能欠佳的人,可能带来许多不利的影响。因此,妥善调理好冬季的膳食食谱及食量,是自我保健的一个重要措施。
Cold winters tend to increase appetite, but this does not mean that the human body needs more calories in winter. Relevant research shows that the energy gap required by the human body in winter is not large. Because of the body’s thyroid function in cold climates, norepinephrine and adrenaline secretion increased. This series of physiological changes can speed up the oxidation process of most tissues in the body and increase the heat production. Neglecting the physical cold tolerance of the human body and relying solely on the warmth of the diet and excessive consumption of high calorie, high-fat foods and alcohol, it is not appropriate for most people who lack physical activity in winter. Especially for those with obesity and poor cardiovascular function, there may be many adverse effects. Therefore, proper conditioning of winter dietary recipes and food intake is an important measure for self-care.