http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. It is common knowledge that smoking is a health risk but why do teens become addicted to smoking more easily than adults? In an evaluation for Faculty of 1000 Biology, Neil Grunberg looks into why adolescents are more prone to substance abuse. http://www.physorg.com/news179752204.html Medicine & Health Fri, 11 Dec 2009 11:11:01 EST news179752204 (AP) -- The virus that causes AIDS is now spreading fastest in China through heterosexual sex, a trend demanding new strategies to stave off a rebound in the epidemic after years of progress in containing it, a United Nations report said. http://www.physorg.com/news178347823.html Medicine & Health Wed, 25 Nov 2009 05:04:12 EST news178347823 Drug dependency is a recurrent but treatable kind of addiction. However, not all people who are drug dependent progress in the same way once they stop taking drugs. A new study shows that, in the case of cocaine, a high score on the so-called 'scale of craving', an antisocial personality type and previous heroin abuse are the factors most commonly involved in people falling back into the habit. http://www.physorg.com/news177857783.html Medicine & Health Thu, 19 Nov 2009 12:58:56 EST news177857783 Adult male monkeys exposed to cocaine while in the womb have poor impulse control and may be more vulnerable to drug abuse than female monkeys, even a decade or more after the exposure, according to a new study by researchers at Wake Forest University School of Medicine. The findings could lead to a better understanding of human drug abuse. http://www.physorg.com/news175430239.html Medicine & Health Thu, 22 Oct 2009 11:38:06 EST news175430239 The good, the bad and the ugly: That's a quick summary of the effects of dopamine, a natural brain chemical that's linked to pleasure, addiction and disease. http://www.physorg.com/news174154939.html Medicine & Health Wed, 07 Oct 2009 17:22:41 EST news174154939 A brain-imaging study conducted at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory provides the first definitive evidence that patients suffering from attention deficit hyperactivity disorder (ADHD) have lower-than-normal levels of certain proteins essential for experiencing reward and motivation. http://www.physorg.com/news171652613.html Medicine & Health Tue, 08 Sep 2009 18:17:27 EST news171652613 Teen years are filled with experimenting. Sometimes that means trying some risky behaviors. http://www.physorg.com/news169894209.html Medicine & Health Wed, 19 Aug 2009 10:10:01 EST news169894209 A community workgroup led by UW research scientist Caleb Banta-Green, Alcohol and Drug Abuse Institute, unveiled today the King County 2008 annual drug trends report. Heroin and cocaine led the list of county drug treatment admissions, according to the study. Prescription-type opiates caused the most deaths in 2008, with individuals 50 years and older accounting for 39 percent of deaths. http://www.physorg.com/news167495574.html Medicine & Health Wed, 22 Jul 2009 16:10:05 EST news167495574 School-based drug education programs for adolescents can have a long-term positive impact on sexual behavior in addition to curbing substance abuse, according to a new RAND Corporation study. http://www.physorg.com/news160224219.html Medicine & Health Wed, 29 Apr 2009 11:44:15 EST news160224219 Drug abuse accounts for a third of the deaths behind Scotland's higher mortality rate, according to a study published on bmj.com today. http://www.physorg.com/news136022630.html Medicine & Health Wed, 23 Jul 2008 09:03:50 EST news136022630