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.
Tinea is a common fungal skin infection in children that may affect the scalp (tinea capitis), body (tinea corporis), groin (tinea cruris), feet (tinea pedis), hands (tinea manus), or nails (tinea unguium).