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 (TIN-ee-uh) pedis is also called athlete's foot. It is a skin infection (in-FEK-shun) of the bottom of the foot and between the toes. It can spread to other areas of the body, such as the toenails. The infection is usually gone in three weeks with treatment. It may take one to three months before it is completely gone.