Deaths of chess players led to alarm the game could cause fatal stress. Some researchers have tested that theory.
Depression, substance and financial problems are still major problems for retiring athletes.
No longer in fanciful coats or button-down shirts with neckties, Olympians compete in uniforms specially designed and engineered for maximum performance.
It would seem obvious athletes are the most important part of the Olympics. But competing issues, from sponsorship rules to politics, means the rights of athletes aren't always the top priority.
Highly engineered composite materials let skis ride smoothly, carve neatly and turn quickly – for top athletes and regular consumers alike.
The Olympics are an opportunity for eSport to drive a new social movement.
Amanda Beard, Ian Thorpe, Allison Schmidt, McKayla Maroney – many athletes have dealt with depression after the Olympic Games.
We all know that competing at the Olympics is the end product of years of training, but how much fuel do elite athletes need?