So, how much coffee is too much? It can vary from person to person as some people are more sensitive to coffee’s caffeine ...

Morning coffee consumption between 4 a.m. and noon significantly reduces heart disease risk. Scientific evidence reveals why your morning cup of joe might be your best health investment.

On a rainy Tuesday afternoon, customers at a Starbucks outlet in Shanghai's Wujiaochang area were greeted with changes on the ...

A cup of coffee can be the perfect pick-me-up, giving you a quick boost of energy on a slow afternoon. But how long does caffeine stay in your system and can it affect you even hours after ...

According to new research, having an afternoon cup of coffee might seem harmless—but caffeine continues to affect the body, ...

A recent study of sleep lab volunteers reveals that caffeine impairs essential brain functions at night. Here’s what happens.

Having a caffeinated drink like coffee in the afternoon may lead to disrupted sleep and greater fatigue. Caffeine can stay in your system for six to eight hours, and has been shown to impact sleep ...