Caffeine is the most common, normalized stimulant in the world, with many people consuming caffeine daily. According to Ron Cotterel, M.D., M.S., a family medicine and integrative family physician, ...

For many of us, caffeine is more than just a morning pick-me-up, it's a lifestyle. Whether it’s that frothy latte, iced cold brew, or trusty cup of black tea, caffeine often feels like the fuel that ...

Brigette Muller wasn’t a big fan of caffeine for most of her life. Just a few sips just made her jittery and never seemed to have any upsides. But, during the COVID-19 pandemic, Muller started ...

Would you give up soda? Well, a group of Diet Coke- and Coca-Cola-obsessed USA TODAY journalists decided to try. I have been drinking Coca-Cola for as long as I can remember. I've tried to quit ...

Should a slip in the daily routine prevent you from quaffing your "cup of ambition," you probably don't need a caffeine researcher to tell you what will happen next—you will start to feel sick. In a ...

For some, the day doesn’t begin until the first cup of coffee. But for others, that ritual—famous for bringing focus and energy—can cause a racing heart, jittery hands, and a vague sense of dread that ...