Ultraviolet (UV) irradiation induces DNA lesions in all directly exposed tissues. In the human body. two tissues are chronically exposed to UV: the skin and the cornea. The most frequent UV-induced DNA lesions are cyclobutane pyrimidine dimers (CPDs) that can lead to apoptosis or induce tumorigenesis. https://fitnessgravesyardes.shop/product-category/flip-lever/