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Thursday, January 12, 2017

Marijuana DOES cause schizophrenia and triggers heart attacks, experts say | Daily Mail Online



Marijuana does raise the risk of getting schizophrenia and triggers heart attacks, according to the most significant study on the drug's effects to date.

A federal advisory panel admitted cannabis can almost certainly ease chronic pain, and might help some people sleep.

But it dismisses most of the drug's other supposedly 'medical benefits' as unproven.

Crucially, the researchers concluded there is not enough research to say whether marijuana effectively treats epilepsy - one of the most widely-recognized reasons for cannabis prescriptions. 

The report also casts doubt on using cannabis to treat cancers, irritable bowel syndrome, or certain symptoms of Parkinson's disease, or helping people beat addictions.

...

Turning to potential harms, the committee concluded:

  • Strong evidence links marijuana use to the risk of developing schizophrenia and other causes of psychosis, with the highest risk among the most frequent users.
  • Some evidence suggests a small increased risk for developing depressive disorders, but there's no evidence either way on whether it affects the course or symptoms of such disorders, or the risk of developing post-traumatic stress disorder.
  • There's strong evidence that using marijuana increases the risk of a traffic accident, but no clear indication that it promotes workplace accidents or injuries, or death from a marijuana overdose.
  • There's only weak evidence for the idea that it hurts school achievement, raises unemployment rates or harms social functioning.
  • For pregnant women who smoke pot, there's strong evidence of reduced birthweight but only weak evidence of any effect on pregnancy complications for the mother, or an infant's need for admission to intensive care. There's not enough evidence to show whether it affects the child later, like sudden infant death syndrome or substance use.
  • Some evidence suggests there's no link to lung cancer in marijuana smokers. But there's no evidence, or insufficient evidence, to support or rebut any link to developing cancers of the prostate, cervix, bladder, or esophagus.
  • Substantial evidence links pot smoking to worse respiratory symptoms and more frequent episodes of chronic bronchitis.
  • There's weak evidence that suggests smoking marijuana can trigger a heart attack, especially for people at high risk of heart disease. But there's no evidence either way on whether chronic use affects a person's risk of a heart attack.
  • Some evidence suggests a link between using marijuana and developing a dependence on or abuse of other substances, including alcohol, tobacco and illicit drugs.

http://www.dailymail.co.uk/health/article-4114634/Marijuana-DOES-cause-schizophrenia-triggers-heart-attacks-experts-say-landmark-study-slams-drug-s-medical-benefits-unproven.html

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