Osteoporosis is a metabolic bone disease that can slowly persist for years without any symptoms. According to statistics, there are 69.4 million osteoporosis patients in China, and 210 million belong to the high-risk group prone to osteoporosis. In the past, only the middle-aged and elderly were susceptible to the disease, but now there is a very obvious tendency of rejuvenation. Here is a special reminder: the first sign of osteoporosis is general weakness, especially back pain, you must go to the hospital as soon as possible to do osteoporosis examination, do not believe that bone soup can supplement calcium, that is a huge misunderstanding. Among all dietary structures, bone broth is the lowest calcium content.