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.
habenula haÂ·benÂ·uÂ·la (hÄ-bÄn'yÉ-lÉ) n. pl. haÂ·benÂ·uÂ·lae (-lÄ') A frenulum. The stalk of the pineal gland. No longer in technical use. A circumscript cell mass embedded in the posterior end of the medullary stria of the thalamus, from which it receives most of its afferent fibers. Also called habena, pedunculus of pineal body.