Rutgers University Cell and DNA Repository (RUCDR) has received a $10 million grant from the National Institute on Alcohol Abuse and Alcoholism (NIAAA) to provide DNA extraction, basic genetic testing, and repository services for more than 46,000 saliva samples, in support of national research efforts to determine the genetic and environmental factors that lead to alcoholism.   According to the U.S. Department of Health and Human Services, alcohol abuse and its related problems cost the United States billions of dollars each year in lost productivity; illness; property destruction, violence, and crime; and social welfare...

People with an addiction do not have control over what they are doing, taking or using. Their addiction may reach a point at which it is harmful. Addictions do not only include physical things we consume, such as drugs or alcohol, but may include virtually anything, such abstract things as gambling to seemingly harmless products, such as chocolate – in other words, addiction may refer to a substance dependence (e.g. drug addiction) or behavioral addiction (e.g. gambling addiction).   This article focuses mainly on addiction to physical substances.   In the past addiction used to refer just to psychoactive substances that...