Coffee does more than wake you up. Discover 15 surprising and weird effects coffee can have on your body, from brain function to digestion.

Depending on the source, coffee is either the one of the best or worst things you can consume. But scientific studies can ...

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 ...

By Vijay Kumar Malesu A controlled human study reveals that coffee’s complex chemical matrix may shape immune responses ...

Learn how caffeine affects brain chemicals and health, sleep, and mood. Understand safe daily limits, hidden sources, and signs you’re getting too much.

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 ...

Can you get the same energy boost without caffeine in your cup? The answer may surprise you.

TAMPA BAY, Fla (BLOOM) – Feeling groggy when you wake up? You might think grabbing a cup of coffee right away is the best way to jump-start your day. But did you know there’s a better way to time your ...

Medically reviewed by Kristie Reed, PharmD Key Takeaways Green tea extract and caffeine together can boost focus and mental ...

Some claim it gives you energy and focus—without the jitters and crash.

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 ...