The weather changes that come with winter can have a negative effect on skin – the largest organ in the body. Colder temperatures and a lack of moisture in the air can damage unprotected skin, especially areas on the face and hands. In this Mayo Clinic Minute, dermatologist Dr. Dawn Davis has tips for what to do when the harsher air of winter gets the best of your skin. Jeff Olsen reports. More health and medical news on the Mayo Clinic News Network newsnetwork.mayoclinic.org/