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Posts tagged “drugs

Nicotine changes marijuana’s effect on the brain

Study finds nicotine changes marijuana's effect on the brain

How scientists study the effects of marijuana on the brain is changing. Until recently marijuana research largely excluded tobacco users from its participant pool, but scientists have found reason to abandon this practice, uncovering significant differences in the brains of individuals who use both tobacco and marijuana and the brains of those who only use marijuana.

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Intellectual pursuits may buffer the brain against addiction

sudoku mouse

New study of mice finds that intellectual pursuits can make us more resistant to the lure of drugs Image credit goes to: Emily Strange)

Challenging the idea that addiction is hardwired in the brain, a new study suggests that even a short time spent in a stimulating learning environment can rewire the brain’s reward system and buffer it against drug dependence. Scientists tracked cocaine cravings in more than 70 adult male mice and found that those rodents whose daily drill included exploration, learning and finding hidden tasty morsels were less likely than their enrichment-deprived counterparts to seek solace in a chamber where they had been given cocaine.

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The fingerprint drug test

fingerprints on a glass

Researchers have demonstrated a new, noninvasive test that can detect cocaine use through a simple fingerprint. For the first time, this new fingerprint method can determine whether cocaine has been ingested, rather than just touched.

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Mental disorders do not predict violence, so please stop

depression mental health

When Sandy Hook happened, it was so shocking that to this day, some don’t actually believe it happened. Shortly after, something frustrating happened, the shooter was labeled with aspergers. This helped drive the mental health and violence connection to the point that Time came out with an article dispelling that myth. Even now according to new longitudinal study of delinquent youth, most psychiatric disorders – including depression — do not predict future violent behavior. The only exception is substance abuse and dependence.

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Methamphetamine use and the onset of parkinson’s

Meth advertisement

We’ve all seen the PSA’s trying to show the effects of meth use and in particular, what it does to your teeth. Typically, when it comes to drug use, people will not look at the long term side effects from their addiction instead thinking in the short term. This is unfortunate because as it turns out, methamphetamine users are three times more at risk for getting Parkinson’s disease than non-illicit drug users with even worse news for women, new research shows.

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