Peng Lin Hua, 86, taught physics in China before retirement. He still leads an active life — in his 50s, he started doing headstands with his wife. Now, he exercises daily, enjoys brisk walks, and can ...

've used the B-Bars in my last several videos and received lots of comments asking if I can review them, so here you go, this is my official B-Bars review (you knew it was coming! ;) ). These are the ...