Compulsive need for and use of a habit-forming substance (as heroin, nicotine, or alcohol) characterized by tolerance and by well-defined physiological symptoms upon withdrawal.
The Centers for Disease Control Prevention Web site offers basic information about fetal alcohol syndrome and ways to prevent it, as well as publications, educational materials and links, and a list of CDC related activities.
This University of Utah resource discusses the brain’s reward pathway and how it is altered by addiction; genetic susceptibility to addiction; and age and social environment concerns.
The National Council on Alcoholism and Drug Dependence site provides well-organized information and statistics about alcoholism and other drug addictions; special resource sections for youth and for parents; ways to contact 100 local affiliates and the National Intervention Network; advocacy news; and a resource and referral guide to other national organizations in the field.
The NIAAA site provides a rich source of information (some in Spanish) about alcoholism. The site includes publications, news releases, FAQ’s, research information, notices for upcoming meetings and conferences, and a graphics gallery.
This attractive site offers information about the latest trends and statistics of drug abuse, treatment and prevention research, a clinical trials network, recent articles, and links to companion Web sites. The site also includes separate sections for parents and students filled with information written in clear, lay language about drugs and drug abuse.
Partnership at Drugfree.org, formerly The Partnership for a Drug-Free America, offers information on teen addiction, including prevention, treatment, and recovery.
Focusing on both substance abuse and mental health, SAMHSA provides information on prevention, treatment, and recovery, along with helpline numbers and national reports and statistics. The site also provides a treatment center locator for addiction and mental health services.
Many of the presenters at the recent Aspen Brain
Forum focused on the vulnerable period of adolescence, looking for markers of
those most at risk.
(Read Q&A with Michael H. Baumann, Ph.D.)
Recent data indicate that 540 different drugs classified as new
psychoactive substances (NPS) have been identified worldwide as of 2014, and
this number is expected to rise. Our article describes the complexity of the
NPS problem, what is known about the molecular mechanisms of action, and highlights some of the considerable challenges in
dealing with this emerging issue.
“The most surprising result of this study is that
abnormal functional organization in heroin addicts persists even after years of
abstinence,” says a researcher.
(Read Q&A with Theodore J. Cicero, Ph.D.)
About 20,000 deaths in the United States in 2014 were attributed to problems associated with narcotics and prescription drug use. Our article explains the neurobiological basis of drug addiction and traces its history and evolution.
It’s stronger than the average stimulant, but its mechanisms don’t appear to be new.
may have more to do with altered stress pathways than pleasure-seeking