We all know this person – do not speak to them until they have had a cup of coffee or an energy drink. Hot chocolate just won't do the trick. They will not be nice. They will not be alert. Proceed ...

Caffeine is a naturally occurring stimulant often found in coffee, tea, chocolate and various energy drinks and medications.

Many people rely on coffee to feel alert and energetic, but drinking your cup of joe at these specific times can maximize its energy-boosting benefits.

Could coffee help to counteract some of the effects of alcohol on the brain, and potentially limit the risk of addiction? That's what's suggested by a new study of how caffeine interacts with the ...

For most people, consuming some caffeine is harmless — but too much can be dangerous. Recent news coverage has raised questions about the amount of caffeine in some popular drinks and what consumers ...

For some, the day doesn’t begin until the first cup of coffee. But for others, that ritual—famous for bringing focus and energy—can cause a racing heart, jittery hands, and a vague sense of dread that ...

Caffeine intake by children and adolescents has been rising for decades, due in large part to the popularity of caffeinated sodas and energy drinks, which now are marketed to children as young as four ...

A cup of coffee or tea in the morning or an afternoon caffeine pick-me-up is usually fine for most adults. But parents might want to take a closer look at caffeine and other ingredients in the drinks ...