Watch your mouth: "Oral cancers are on the rise among people ages 20 to 40, which we believe is because of HPV spread through oral sex. I always look for unusual changes in my patient's mouth, like sores or blisters on the cheeks, tongue, or lips. It usually takes less than two minutes. If your dentist doesn't already do this, ask her to start." -Gigi Meinecke, D.M.D., a dentist in Potomac, Maryland
Five leading medical professionals share their top healthy living tips for preventing cancer.