He was a chain smoker. https://www.drmirkin.com/histories-and-mysteries/lyndon-baines-johnson-1908-1973.html https://www.drmirkin.com/histories-and-mysteries/l

He was a chain smoker. https://www.drmirkin.com/histories-and-mysteries/lyndon-baines-johnson-1908-1973.html https://www.drmirkin.com/histories-and-mysteries/lyndon-bain... Unrelated:- I regard him as one of the best presidents.