Caffeine

Dr. Adria Schmedthorst

The drink that makes antibiotics useless (and it’s not alcohol)

The list of effective antibiotics is getting shorter, especially against one bacteria behind some very common and difficut-to-treat infections. To protect your chances they’ll work when you’re in need, you may have to give up your favorite drink…

Carolyn Gretton

The truth about caffeine and your blood vessels

Is the caffeine in your cup of coffee harming your heart? The answers have been mixed. On the one hand, it can raise blood pressure. On the other, it reduces risk of heart failure. But what it does for your blood vessels…

Carolyn Gretton

The cellular longevity switch tripped by caffeine

After climbing for decades, it looked as though human longevity had hit a ceiling. But sometimes you can accidentally trip a switch that triggers a protective mechanism. When you drink coffee, it’s an ancient longevity switch hidden in your cells.