Why withdrawal headaches are so painful remains somewhat unclear. Because caffeine affects many parts of the body, experts ...

A TI of ~2, meaning that the drug is toxic at twice therapeutic levels, is simply terrible. By comparison, aspirin, which is also classified as a low-TI drug, is toxic at about 10 times its ...

Although caffeine is the major ingredient in energy drinks, other additives can enhance caffeine concentration and may pose risks for drug interaction, the researchers warned.

In one of its strangest experiments, NASA studied how drugs altered spiderweb patterns to measure toxicity. Surprisingly, ...

WASHINGTON (WJLA) - Powdered caffeine is perfectly legal, easily bought on the internet, and promises to give an energy boost. But two teaspoons—the equivalent of 50 cups of coffee—can kill ...