Comments Off on Marijuana use leads to laziness, study suggests

Rats given THC - a psychoactive compound in marijuana - were less willing to complete a difficult cognitive task in order to receive a greater reward.
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Comments Off on Reducing prescription opioid addiction by switching receptors

Addiction to opioid painkillers has risen rapidly over the last decade. Could its addictive power be reduced by switching to a different receptor subtype?
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Comments Off on E-cigarettes: Most teens vape for flavor, not nicotine

Challenging the common assumption that most youths use e-cigarettes to inhale nicotine, a new study finds most use the devices for the flavor of the vapor.
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Comments Off on Do the tools to quantify addiction help to define it?

Understanding what counts as an addiction, and what can be done to address it is the work of researchers across many disciplines.
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Comments Off on Cocaine addiction reversed in rats with novel compound

Treating rats with a compound that blocks TrkB receptors in the brain's reward system was found to reverse signs of cocaine dependency, researchers report.
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Comments Off on Marijuana a better pain reliever for men than women

Compared with men who smoked marijuana, women did not experience a significant reduction in pain sensitivity, a new study reveals.
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Comments Off on Study: Smokers who switch to e-cigarettes exposed to same levels of nicotine, lower carcinogen levels

A study led by researchers at Roswell Park Cancer Institute (RPCI) reports that nicotine exposure remains the same, while exposure to specific carcinogens and toxicants is reduced, among smokers...
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Comments Off on New opioid as effective as morphine, without the side effects

Researchers have identified a drug candidate that is as effective as morphine for relieving pain, but without the harmful side effects of opioids.
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Comments Off on US and Mexican controls on precursor chemicals may reduce cocaine and methamphetamine use in the US

In December 2006, the USA regulated sodium permanganate, a chemical essential to the manufacture of cocaine.
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Comments Off on Reducing the harms of alcohol through weaker beer

Could a small drop in the alcohol content of beer or other drinks reduce the harmful effects of alcohol in society at large?
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