The Skin Cancer Foundation reports that more people are diagnosed with skin cancer every year in the United States than all other cancers combined. It’s also estimated that 90 percent of skin aging is caused by the sun. Did you know that sun damage is cumulative? Joanne Liu, MD, Chestnut Hill Family Practice, will discuss the best ways to prevent skin cancer and protect your skin at our free skin care lecture. Registration required. Call 215-753-2000. Free!