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 capitis is a skin infection or ringworm of the scalp caused by a fungus called dermatophytes (capitis comes from the Latin word for head). It mostly affects children.Tinea corporis is ringworm of the body (corporis means body in Latin).In wrestlers this is often called tinea gladiatorum.hen fungi cause athleteâs foot, the skin can become itchy and red with cracking and flaking between the toes. This is most common in adolescents. Tinea infections are spread by skin-to-skin contact, most often when a child touches another person who is already infected.