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Profesionales médicos y otros de la salud

Marijuana's Lasting Effects on the Brain

NIDA Director Nora Volkow

UPDATE - March 21,2013 – A study was published in January 2013 contesting the interpretation of the large-scale marijuana study I discuss below—that heavy cannabis use begun in the teen years and continued into adulthood brings about declines in IQ scores.

NIDA Advisory Council Welcomes Two New Members

The National Advisory Council on Drug Abuse introduced two new members at its May 2013 meeting. 

Oxycodone Vaccine Passes Early Tests

A new vaccine hindered the often-abused prescription opioids oxycodone and hydrocodone from entering the brain and suppressed one of the drugs’ signature central nervous system effects. The findings warrant continued development of the vaccine as a potential aid in the treatment of oxycodone and hydrocodone abuse and dependence.

Receptor May Underlie Gender Differences in Response to Smoking Cessation Therapy

Men benefit more than women from nicotine replacement therapy for smoking cessation because nicotine affects a key neuroreceptor differently in the two sexes, a NIDA-sponsored study suggests. The findings highlight the need for alternative therapies for women smokers, and point to the female hormone progesterone as a potential therapeutic target.

Advancing Psychiatric Practice through the Science of Addiction

The National Institute on Drug Abuse (NIDA), a component of the National Institutes of Health, will present a special research track at the American Psychiatric Association’s (APA’s) 166th annual meeting in San Francisco from May 18 to 22.


Counselors’ Perceptions of Organizational Justice and Support Predict Job Turnover

Forty-seven percent of substance abuse treatment counselors in a national sample left their jobs voluntarily within 3 years.

Gabapentin Tested To Treat Marijuana Dependence

Marijuana-dependent outpatients who were treated with the medication gabapentin in a pilot clinical trial reduced their cannabis use more and reported fewer symptoms of drug withdrawal than patients who received a placebo.

Study Endorses Onsite HIV Testing Without Risk Reduction Counseling

Patients were more likely to take a rapid HIV test when substance abuse treatment programs offered the test onsite rather than referred for offsite testing. Patients were equally likely to accept and learn their HIV status whether the offer of onsite testing was accompanied by 30 minutes of risk reduction counseling or by 5 minutes of brief information on the testing procedure. Onsite testing accompanied by brief information was cost effective, taking into account the projected lifetime costs of treatment and the gains in health and longevity for detected cases.

Thoughts of Suicide May Persist Among Nonmedical Prescription Opiate Users

People who use prescription opiates nonmedically are more likely to consider suicide than those who use these medications only appropriately or not at all. A recent NIDA-supported study also disclosed that the risk for suicidal thoughts remains elevated after cessation of use.

Adolescent Cigarette, Alcohol Use Declines as Marijuana Use Rises

Fewer teens are using cigarettes, alcohol, and most illicit drugs, according to NIDA’s latest Monitoring the Future study. Troubling  trends persist in marijuana use, however, and nonmedical prescription drug use remains a concern.

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Toma el reto nacional sobre el coeficiente intelectual (CI) sobre las drogas