S.V. BATYRSHINA Kazan State Medical University, 11 Butlerov St., Kazan, Russian Federation, 420012 Batyrshina S.V. — D. Med. Sc., Professor of the Department of Dermatovenerology, tel. (843) 236-99-92, e-mail: sbkdv@mail. ru The article presents the characteristics of age-related skin changes. Main theories of aging and the most likely causes of violation of the structural integrity […]