Explore how gumball machines work in this informative video. What is lewy body dementia? Ted Turner's diagnosis, explained 22 arrested in Tampa 'teen takeover' 10 of Trump's claims about Obama that we ...

(CNN) — In his darkest moments, Jason Hall felt worthless. During his childhood and early adulthood, he said, there were times when he would drink too much alcohol, pop pills at nightclubs and, ...