Caffeine can sometimes be too much for your body to handle, causing side effects like jitters and dehydration. Luckily, there ...

"For some people, one cup of coffee can make them tired, while others can drink three cups of coffee and feel fine." ...

In a recent study published in PLoS One, researchers compared the effects of caffeine and aerobic exercise on mental fatigue ...

Guarana contains more caffeine than coffee, but both substances have health benefits. Consuming too much caffeine from any source can cause unwanted side effects. Guarana and coffee contain different ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Hydration reduces ...

Overview: Green coffee is made from raw, unroasted coffee beans. Drinks that are made from green coffee beans usually contain less caffeine than traditional coffee. On the other hand, dietary ...