A new caffeine craze is brewing on social media—no kettle required. Caffeine pouches promise a fast, discreet hit of energy without the fuss of brewing coffee or cracking open an energy drink. But ...

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

A new study published in the Journal of Psychopharmacology has revealed that the way caffeine impacts your thinking skills is not just about how much coffee you drink, but also about your genes.

Few substances have woven themselves so seamlessly into the fabric of daily life as caffeine. Found in coffee, tea, chocolate and countless performance-enhancing supplements, this naturally occurring ...