Dermatologists are physicians who diagnose and treat disorders not only of the skin but of the hair, nails, and mucous membranes as well. Some dermatologists specialize in the treatment and removal of skin cancers or perhaps pediatric dermatology, which deals with dermatological problems common in children, such as birthmarks or acne.
Others specialize in cosmetic dermatology. Rather than treat dermatological diseases, they primarily work to aesthetically improve the skin and, to a lesser degree, the nails and hair.
When you start an aerobic exercise program after being sedentary for a long time, it's important to start out slowly and build up your tolerance so you can avoid an injury. You may not give your feet much thought, but pushing yourself to run or even walk long distances without working up to it can cause pain in your feet and ankles. Here are some ways to deal with foot pain caused by over-activity.