Caffeine is used every day by millions of people to increase wakefulness and improve concentration. Up to 400 milligrams of caffeine a day appears to be safe for most healthy adults.
Okay, you know that you need caffeine to keep you focused, but did you know that caffeine it’s a central nervous system stimulant that affects your body in various ways?
It’s important to know the effects of caffeine on your body, so check them out!
