人们由于体力活动的减少和生活水平的提高,体内积存了越来越多的脂肪。好多人的血脂长期处于较高的水平,俗称“血稠”。“血稠”的结果就是脂肪一层层的附着在人体的血管壁上,最后导致动脉硬化,血管弹性降低,形成了心脑血管病。而经常献血,养 People are accumulating more and more fat in the body due to reduced physical activity and improved living standards. Many people have long-term high blood lipid levels, commonly known as “blood thick.” The result of “blood thickening” is that fat layers adhere to the blood vessel walls of the human body, eventually leading to arteriosclerosis, reducing blood vessel elasticity, and forming cardiovascular and cerebrovascular diseases. While often donating blood, raising