Caffeine may be just the exercise booster you need—as long as you don’t over do it, say experts

“It’s a great performance enhancer,” one expert says. Here’s why it’s important to use the stimulant responsibly.

Caffeine may be just the exercise booster you need—as long as you don’t over do it, say experts
“It’s a great performance enhancer,” one expert says. Here’s why it’s important to use the stimulant responsibly.