In his old age, all his teeth fell out. Even if he were famous and wealthy, he couldn't even chew meat.,“These warriors relied on blood and bravery in their youth, being ferocious and aggressive. Once they grew old, hidden injuries surfaced, often leading to a violent death. Few lived to the age of sixty.”,Cultivating Qigong is also because Qigong practice is easy to learn and has a low threshold.。