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Marijuana Use Current Events | Marijuana Use News

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Smoking marijuana impairs cognitive function in MS patients
People with multiple sclerosis (MS) who smoke marijuana are more likely to have emotional and memory problems.   view more (2008-02-14)

Good news for the medical marijuana movement: pot proliferates brain cells and boosts mood
Most drugs of abuse decrease the generation of new neurons in the brain, but the effects of marijuana on this process, called neurogenesis, had not been clear.   view more (2005-10-14)

Black girls who use marijuana engage in riskier sex, have higher STD rate
Black girls who use marijuana are more likely to engage in risky sexual acts and contract a sexually transmitted disease, a new study finds.   view more (2008-08-06)

Long-term marijuana smoking leads to respiratory complaints
Long-term exposure to marijuana smoke is linked to many of the same health problems as tobacco smoke, such as increased respiratory symptoms like cough, phlegm and wheeze.   view more (2007-02-13)

Heavy marijuana use linked to gum disease
Heavy marijuana use has been found to contribute to gum disease, apart from the known effects that tobacco smoke was already known to have.   view more (2008-02-06)

Drug use trends affect risk of marijuana in deviance prone boys, but not girls
When national drug use trends among adolescents go up or down, the risk of marijuana use among deviance-prone male youth also goes up or down. Among deviance-prone female youth, it does not, according to a study in the March issue of Prevention Science.   view more (2008-03-04)

Survey identifies characteristics of teens who smoke marijuana but not tobacco
A Swiss study suggests that teens who use only cannabis appear to function better than those who also use tobacco, and are more socially driven and have no more psychosocial problems than those who abstain from both substances.   view more (2007-11-06)

Middle class relaxing with marijuana
A variety of middle-class people are making a conscious but careful choice to use marijuana to enhance their leisure activities, a University of Alberta study shows.   view more (2008-05-15)

Schizophrenia linked to dysfunction in molecular brain pathway activated by marijuana
Alterations in a molecular brain pathway activated by marijuana may contribute to the cognitive symptoms of schizophrenia, according to a report in the July issue of Archives of General Psychiatry, one of the JAMA/Archives journals.   view more (2008-07-08)

Marijuana-like brain chemicals work as antidepressant
American and Italian researchers have found that boosting the amounts of a marijuana-like brain transmitter called anandamide produces antidepressant effects in test rats.   view more (2007-11-06)

Malt Liquor Linked to Marijuana Use Among Young Adults
Drinking malt liquor -- the cheap, high-alcohol beverage often marketed to teens -- may put young adults at increased risk for alcohol problems and use of illicit drugs, particularly marijuana.   view more (2007-07-27)

Small study shows marijuana does not increase risk of head, neck cancer
moking marijuana (cannabis) does not increase the user's risk of head and neck cancer, according to a new study published in the March 2008 issue of Otolaryngology - Head and Neck Surgery.   view more (2008-03-05)

Wife Influences Husband's Marijuana Use During First Year of Marriage
While it's the husband among newlywed couples who has more influence on whether the couple engages in heavy drinking, it's the wife who appears to be in the driver's seat when it comes to determining her husband's marijuana use, according to researchers at the University at Buffalo's Research... view more (2005-07-21)

Marijuana withdrawal as bad as withdrawal from cigarettes
Research by a group of scientists studying the effects of heavy marijuana use suggests that withdrawal from the use of marijuana is similar to what is experienced by people when they quit smoking cigarettes.   view more (2008-01-25)

Rand study shows solitary drug, alcohol and cigarette use puts adolescents at higher risk
Adolescents who use alcohol, cigarettes and marijuana while alone are more likely to have health and behavioral problems as young adults than their peers who consume the substances only in social settings, according to a RAND Corporation study issued today.   view more (2006-12-08)

MIT study suggests caution on new anti-obesity drug in kids
Anti-obesity drugs that work by blocking brain molecules similar to those in marijuana could also interfere with neural development in young children, according to a new study from MIT's Picower Institute for Learning and Memory.   view more (2008-05-08)

New DNA 'fingerprinting' technique separates hemp from marijuana
Using new DNA "fingerprinting" techniques, two University of Minnesota researchers have become the first to unequivocally separate hemp plants from marijuana plants with genetic markers.   view more (2006-03-23)

Study finds possible connection between marijuana abuse and stroke or heart attacks
Long-term harmful effects of marijuana (MJ) include risk for heart attacks and strokes in addition to impaired learning and memory. The active chemical in MJ called delta-9-tetrahyrdocannabinol (THC) is believed to exert these effects by binding to cannabinoid (CB) receptors located on several cell... view more (2008-05-13)

Marijuana component opens the door for virus that causes Kaposi's sarcoma
The major active component of marijuana could enhance the ability of the virus that causes Kaposi's sarcoma to infect cells and multiply.   view more (2007-08-02)

No 'smoking' gun — Research indicates teen marijuana use does not predict drug, alcohol abuse
Marijuana is not a "gateway" drug that predicts or eventually leads to substance abuse, suggests a 12-year University of Pittsburgh study. Moreover, the study's findings call into question the long-held belief that has shaped prevention efforts and governmental policy for six decades and... view more (2006-12-05)

Parental cigarette use is 'double whammy' for children
A new study exploring smoking, heavy drinking and marijuana use across three generations indicates that the children of a parent who uses any of these substances are more likely to smoke, binge drink or use marijuana in adolescence and adulthood.   view more (2006-08-14)

Researchers ID behavioral risk factors for head and neck cancers
Researchers at the Johns Hopkins Kimmel Cancer Center have teased out two distinct sets of risk factors for head and neck cancers, suggesting that there are two completely different kinds of the disease.   view more (2008-03-12)

Doubts raised about illegal drug use surveys
A scientific study reported in two related articles in the Journal of Drug Issues raises serious doubts about the nation's illegal drug use surveillance programs.   view more (2006-03-03)

Endogenous cannabinoids linked to fetal brain damage imposed by maternal cannabis use
A critical step in brain development is governed by endogenous cannabinoids, 'the brain's own marijuana'.   view more (2007-05-25)

Illicit drug use and abuse may be genetic
Researchers have found that genetic factors may play an important role in a person's use, misuse or dependence of illicit drugs like marijuana, stimulants, opiates, cocaine and psychedelics.   view more (2006-07-06)
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