Mark of the blog Life Support has pictures and descriptions of ten unusual medical inventions that were either pointless or dangerous to anyone who would use them. Among them is the 1935 Old Age Rejuvenator Centrifuge, which claims to reverse the effects of aging by counteracting the effects of gravity on the human body.
Link via The Corner
It was on Star Trek, so it must be true.
"This old type of bariatric surgery is no longer performed as it has been superceded by more popular obesity surgeries such as adjustable gastric banding (AGB), like Lap-Band® and Sleeve Gastrectomy."
http://www.annecollins.com/diets/obesity-stomach-balloon.htm
Bad research by the author :(