Green tea has different ratios of caffeine depending on the type. Learn about high-caffeine coffee alternatives and decaf ...

The amount of caffeine in a cup of coffee can vary based on the type, serving size, method of preparation, and bean variety, among other factors. Coffee is the biggest dietary source of caffeine.

A groundbreaking research conducted in France has unveiled compelling evidence linking caffeine consumption to reduced ...

Today, there is one method of caffeine intake that has become increasingly popular, especially among young adults — energy ...

McDonald’s on Sunday ruled out beef patties as a source of the E. coli outbreak linked to Quarter Pounder hamburgers, which ...

Behind the humor lies a very real, much more severe issue: millions of Americans live without reliable access to clean water ...

In this video, we extract some caffeine from caffeine pills. I was not happy with my yield of caffeine in the previous videos ...

A new study found that increased caffeine consumption may influence your risk of Alzheimer's or other forms of dementia. But ...

Coffee is a well-known source of caffeine, a stimulant that affects the central nervous system. For most people, moderate caffeine consumption is considered safe, but pregnancy presents a ...

Knowing which type of coffee to reach for will help you fine-tune your morning or afternoon jolt of caffeine. Katherine Peach is a well-caffeinated, Brooklyn-based writer, who focuses on all ...

It’s an excellent source of caffeine, which helps you maintain focus and mental energy. Caffeine works by blocking the effects of adenosine, a compound that helps your brain relax. It binds to ...

Suspended in the relic of an ancient sea beneath southern Arkansas, there may be enough lithium for nine times the expected ...