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.
Colds, which are caused by viruses, are the most common cause of laryngitis. Other viral causes include measles. Although rare, bacterial infections, such as diphtheria, can also cause laryngitis. Certain activities may strain the vocal cords to cause inflammation and lead to laryngitis.Examples of these types of activities include yelling at a sporting event or concert and working as a professional singer. Silvers points out that all causes of laryngitis cause hoarseness, but not all hoarseness is laryngitis.ertain activities may strain the vocal cords to cause inflammation and lead to laryngitis. Examples of these types of activities include yelling at a sporting event or concert and working as a professional singer. Silvers points out that all causes of laryngitis cause hoarseness, but not all hoarseness is laryngitis.