Earwax in the canal. Jaw movement assists this process by dislodging debris attached to the walls of the ear canal, increasing the likelihood of its expulsion. The lubrication provided by cerumen prevents desiccation of the skin within the ear canal. The lubricative properties arise from the high lipid content of the sebum produced by the sebaceous glands. In wet-type cerumen, these lipids include cholesterol, squalene, and many long-chain fatty acids and alcohols. While studies conducted up until the 1960s found little evidence supporting antibacterial activity for cerumen, more recent studies have found that cerumen has a bactericidal effect on some strains
The Substance of Fire The Substance of Fire The Substance of Fire is a play by Jon Robin Baitz. Isaac Geldhart is a childhood survivor of the Holocaust. He arrived in New York City an orphan, reinvented himself as a bon vivant, married well, and found fame and fortune as a champion of authors who are passionate about their work rather than its best-seller potential. He is faced with a family-business conflict, the potential Japanese takeover of his increasingly insolvent firm. He must browbeat his three adult children, all principal stockholders whom he dismisses in varying degrees, into accepting his plan to publish a