Your 20s are an interesting time full of transition, physically and mentally. You’re still enjoying a pretty fast metabolism and a young, fit body that can handle a variety of fun and challenging workouts. So, it’s likely easier now than ever to stay in shape and feel healthy. But beyond eating healthy and exercising, how much do you really know about your health? If you haven’t stopped by your doctor’s office in a few years, it’s time to schedule that check-up.