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 ...

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 ...

Paraxanthine, a compound the body naturally produces when it breaks down caffeine, is starting to appear in energy drinks and ...

Caffeine is considered a universal stimulant, but among people with Attention Deficit Hyperactivity Disorder the response to ...

Were you tossing and turning last night and cursing yourself for the iced caramel macchiato you drank in the late afternoon? Do you worry about the amount of caffeine in a Mountain Dew? Caffeine is ...

For instance, sugary coffee drinks can cause a spike in blood sugar followed by a sharp drop, which may leave someone feeling ...

A staggering 94% of Americans use caffeine, 64% of whom do so on a daily basis. It’s the energy enhancer people start their ...

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 ...

Coffee's impact on sleep isn't straightforward habitual drinkers may adapt, showing little disruption, though timing and ...