The most recent time I ordered the drink, I discovered just how much caffeine this small, eight-ounce coffee pack contained.

Feeling groggy when you wake up? You might think grabbing a cup of coffee right away is the best way to jump-start your day.

It may also lead to altered heartbeat rhythm, called atrial fibrillation, which has been reported in young people who consumed energy drinks containing extremely high doses of caffeine.

This ancient beverage does more than hydrate—it’s packed with antioxidants and compounds that boost your health, focus, and ...