现代营养学家常要求人们平衡膳食,也就是要求饮食多元化,膳食多样化,谷、肉、菜、果全都要吃。鉴于多样化的膳食不仅能够提供足够的热能及各种营养素,尚且能使多种营养的搭配比例更趋于适合人体所需要,从而更有利于人体吸收利用。从这个意义上说,平衡膳食乃是保持精力充沛,促使身体健美的重要物质保障。 营养学家曾经指出,人的生理机能衰退与年龄大小有关系,同时,还与饮 Modern nutritionists often require people to balance the diet, that is, require diversification of diet, diet diversification, valley, meat, vegetables, fruit all eat. In view of the diversified diet can not only provide enough heat and various nutrients, but also make a variety of nutrition with the proportion of the more suited to the needs of the human body, which is more conducive to human absorption. In this sense, a balanced diet is an important material guarantee for maintaining energy and bodybuilding. Nutritionists have pointed out that the decline of human physiology and age have a relationship, but also with the drink