Caffeine affects the body in a variety of ways, particularly if you drink a lot. Having too much can cause gastrointestinal problems, headaches, and affect your sleep.

Expert DIYer April Wilkerson reviews the Surefire EP4 earplugs and explains their performance in noisy environments.

A doctor spent seven days incorporating blueberries into her diet—and got advice on the absolute healthiest way to eat them. ...