A look at the Blue Zones caffeine habits, or the ways that the longest-living people on the planet tend to consume caffeine and coffee.

Millions of people want caffeine removed from their coffee. Millions more want caffeine added to their soda. Little-known caffeine factories, scattered across the world, satisfy both desires.

A 29-year-old man in Wales died after accidentally ingesting an amount of caffeine powder equivalent to about 200 cups of coffee.

One man's legal issues aside, caffeine does come with some surprising truths that many people may not know.

World’s oldest man Salustiano “Shorty” Sanchez-Blazquez was 112 years old when he died this weekend. Shorty was born in Spain in 1901, emigrated to the United States in 1920 via Ellis Island ...

Dear Answer Man, I've heard that light-roast coffee has less caffeine than dark roast. Any truth to that? — Andy Man This column is powered by coffee, so I checked this out immediately. Yes ...