Alcoholism.

Well, to begin with what is Alcoholism or an alcoholic? Most people when asked this question just think of someone who drinks a lot, but they don't put any other aspects into thought. According to NIAAA, "alcoholism, also known as "alcohol dependence," is a disease that includes four symptoms: Craving: A strong need, or compulsion, to drink, Loss of control: The inability to limit one's drinking on any given occasion, Physical dependence: Withdrawal symptoms, such …

…About, Inc. "U.S., Russian Alcoholics Share Similar Gene". 2005 <Tab/><http://alcoholism.about.com/od/genetics/a/blacer050416.htm> National Institute on Alcohol Abuse and Alcoholism (NIAAA). September 2004. <Tab/>< http://www.niaaa.nih.gov/publications/booklet.htm> WebMD Health. "Researchers Identify Alcoholism Gene". 2005. <Tab/><http://my.webmd.com/content/article/87/99592.htm>