Plus, when you'll start to notice them after your last fix.

Some people can’t enjoy caffeine without experiencing negative side effects. Learn about caffeine sensitivity risk factors, plus buzzy alternatives to consider.

NEW YORK (PIX11) — A New Jersey mother is sharing her daughter’s story in hopes of changing how high-caffeine drinks are ...

Scientists Tracked 130,000 People for 43 Years and Found the Optimal Coffee Amount for Brain Health In A Nutshell Two to ...

For many Americans, a morning cup of coffee or tea is simply part of the daily routine. New research suggests that long-held ...

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 ...

If you're feeling anxious and having trouble sleeping, you may be taking in too much caffeine, or you may be a slow metabolizer.

I didn't always drink a lot of caffeine. I hardly enjoyed the taste of coffee until my mid-20s, and I made an effort to limit my soda intake as much as I could. But once I started working long hours ...

She used to drink 15 cups of tea a day — along with two cups of coffee — before giving it up during parasite treatment ...

Researchers at Texas A&M are pairing a widely used ingredient with advanced medical technology to develop new treatments for ...