The skin is our body's largest organ, making up about 15% of our body weight. It's our first line of defense, shielding us from environmental toxins, regulating our body temperature, and helping to get rid of waste through sweat. It’s also a mirror of our overall health; changes in its appearance can often signal underlying health issues. Join host Dr. Jillian Woodruff on this Line One, as she and her guest discuss the science of skin.