An average, 12-ounce can of soda contains 30 to 40 mg of caffeine. An 8-ounce cup of green or black tea contains somewhere between 30 to 50 mg of caffeine (green tea typically has less caffeine ...

For the 39 million Americans who suffer from migraines, finding effective relief can be a constant struggle – leading many to ...

Caffeine can stay in your system for up to 12 hours, but this may vary based on individual factors. Learn more about side ...

Whenever I feel a migraine coming on, I reach for something with caffeine in it, such as a large Coke. I’m among the estimated 14 to 15 percent of people who live with migraines, which is a ...