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.
Fungus of the hands (tinea manuum): Tinea mannum is the fungus that affects the hands and the palms. Commonly, it is seen on the fingers. Some of the symptoms of this kind of infection are as follows. Ringworm of the nail (rinea unguium): Tinea unguium is a dermatophyte that affects the nails.