民间有这样一句话“千金难买老来瘦”。研究显示,“老来瘦”的确可以降低很多慢性病的发病率,但并不是所有的“老来瘦”都是健康的表现。如果一个人的体型一向清瘦,而且食欲、精神良好,这是一种正常现象。倘若一个体型较肥胖的老年人,在没有进行任何减肥措施的情况下,无缘无故变瘦了,往往是患病的重要提示。一般说来,体重无缘故地减轻,应警惕以下疾病.1糖尿病尤其是体重减轻的同时还伴有“三多”(多尿、多饮、多食)症状的老年人更要警 Folk have such a sentence “daughter of old and thin ”. Studies have shown that “old and thin” can indeed reduce the incidence of many chronic diseases, but not all “old and thin” are healthy performance. If a person’s body has always been lean, and appetite, good spirit, this is a normal phenomenon. If an older, more obese older person is unimpaired for any reason without any weight-loss measures, it is often an important indication of illness. In general, weight loss without any reason, should be alert to the following diseases .1 Diabetes, especially weight loss is accompanied by “more than three” (polyuria, polydipsia, polyphagia) symptoms of the elderly to be more police