1 the proven link between heart diseases and lung cancer to active smoking, 2  the presence of several known carcinogens in environmental tobacco smoke, and. 3  the general acceptance that the risks of certain diseases are directly related to the amount of tobacco smoke inhaled.
Onychomycosis (also known as dermatophytic onychomycosis or tinea unguium) is a fungal infection of the nail. It is the most common disease of the nails and constitutes about half of all nail abnormalities.
perineum. 1. The part of the body between the anus and the genitals. 2. The pelvic floor, especially referring to the area of muscle and tissue between the vaginal opening and the anus that is susceptible to tearing in childbirth.