Lao Li is an elderly teacher,Born to be activeWhen I was young, I participated in sports such as running, playing ball games, and swimming all year round, and my health was always good.However, as he grew older, Lao Li'sjointStarting to have problems, just taking a few steps outside feels likeKnee pain unbearable The doctor told him that hisjointOld Li remembered when he was a child, a rare bucket of chicken bone soup at home had become a great way for the whole family to supplement calcium...