1800s – A teeny tiny waist will make you the envy of all your friends, so a corset is a must-have for the ladies. The tighter, the better. The smelling salts are always at hand if you faint!
1863 – William Banting writes a pamphlet called Letter on Corpulence, Addressed to the Public. It sells more than 100,000 copies. Ker-ching! There might be some money to be had from weight loss.