While Tai Chi is weight-bearing and beneficial for balance, it is not recommended by the National Osteoporosis Foundation as an exercise that will prevent osteoporosis by building bone. However, it is a safe option for those who have low bone mass, diagnosed osteoporosis or frailty. By improving balance, it may help prevent a fall and therefore a fracture.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.