drug abuse

‘New lead’ in hunt for better schizophrenia drugs

The so-called negative symptoms of schizophrenia, which include anhedonia, can be particularly debilitating. One recent study attempted to identify their neurological roots. Schizophrenia is a mental health condition that affects an estimated 1% of the United States population. Scientists tend to divide symptoms into two broad categories: positive and negative. Positive symptoms include delusions, racing…

In Russia, declines in alcohol consumption and mortality have gone hand in hand

Since the early 2000s, Russia has seen significant declines in overall alcohol consumption, and a new review shows that there has been a parallel, steep decline in the country’s mortality rates as well. Much of this decline in drinking has been the result of economic factors, evolving patterns of alcohol…

Teens and Young Adults Should Avoid E-Cigarettes, CDC Advises

The Centers for Disease Control and Prevention (CDC) is investigating at least 215 possible cases of severe lung disease associated with vaping. Teens and young adults should not use e-cigarettes, the agency said. Adults who do not currently use tobacco products should not start using e-cigarette products, the CDC advised.…

Chronic cocaine use modifies gene expression

Chronic cocaine use changes gene expression in the hippocampus, according to research in mice recently published in JNeurosci. Chronic drug users learn to associate the drug-taking environment with the drug itself, reinforcing memories that contribute to addiction. These memories are thought to be created by changes in gene expression in the…