stimulants

Do The Performance Benefits Of Caffeine Come At A Cost?

The popular stimulant can improve performance, but it might have some drawbacks that most people don’t consider.

Can A Cup (Or Two) Of Coffee Improve Performance?

A British study says high doses of caffeine can improve performance by as much as six percent.

The Performance-Enchancing Power Of Caffeine

The world's most widely used drug can make you a better runner.

!is_single()

Recent Stories

Videos

Photos