Fact checked by Nick Blackmer Caffeine stays in your system for up to 10 hours, with peak levels between 15 minutes and two ...

A genetic study reveals that it is not coffee itself, but how long caffeine remains in the blood, that influences the risk of diabetes.

From espresso to energy drinks to supplements, caffeine comes in many forms, Rula notes. And if you're like most people, you probably enjoy a cup of coffee each morning or a late-afternoon soda to ...

This post is part two of a series (to read Part 1, click here). “For most of us, to be caffeinated to one degree or another has simply become baseline human consciousness...it’s easy to overlook the ...

When I finally confronted my dependency and gave up coffee three months ago, my body wasn’t happy. In the mornings during the time that I would normally have my espresso, my thoughts tried to bargain ...