Twenty years ago, âinfrastructureâ was defined primarily with respect to the. adequacy of the nationâs public works. In the mid-1990's, however, the growing. threat of international terrorism led policy makers to reconsider the definition of. âinfrastructureâ in the context of homela nd security.
Risk factors for leukoplakia of the vocal cords include: ï· Alcohol use ï· Tobacco use ï· Laryngopharyngeal reflux ï· Diabetes ï· Use of inhaled steroids ï· Use of corticosteroids ï· Use of immunosuppressive drugs including chemotherapy and anti-rejection medicines ï· Radiation therapy.
Laryngitis is an inflammation of the larynx. It causes hoarse voice or temporary loss of the voice due to irritation of the vocal folds (vocal cords). Laryngitis is one possible cause of dysphonia, the medical term for a vocal disorder. Laryngitis is categorised as acute if it lasts less than three weeks and chronic if it lasts over three weeks. The chronic form occurs mostly in middle age and is much more common in men than women.