Alcohol is a widely abused substance. According to the National Survey on Drug Use and Health in 2010, 15.0 million people abused or had a dependence on alcohol. Many people are addicted to alcohol; however, the amount of people that actually receive treatment for alcoholism is not high. Oftentimes, an individual seeks alcohol treatment only after there are physical consequences. Learn the signs of alcohol abuse, addiction, withdrawal symptoms and how alcohol can negatively affect your life.