Caffeine offers some real health benefits—but not if you go overboard. Here’s how coffee, energy drinks, and other caffeine ...

Caffeine in coffee, tea, chocolate, colas, and energy drinks can cause blood pressure to temporarily rise. Learn how much and ...

Cafes across the United States are embracing the low- and no-caffeine lifestyle, with options that are a far cry from dusty ...

Some people who have trouble waking up are turning to a new kind of sleep supplements.

An average 8–ounce (oz) cup of coffee contains around 80–100 milligrams (mg) of caffeine. However, the caffeine content can vary considerably depending on several factors such as coffee type, brewing ...

Caffeine can cause vertigo for some people because it can raise your heart rate and blood pressure, slow blood flow to the ...