The more teenagers delay smoking marijuana until they're older, the better it is for their brains, but there may be little ill effect if they start after age 17, says a new Université de Montréal study.
Jan 25, 2017
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Marijuana and cannabis can help to safely alleviate pain for some patients but many uncertainties remain about their health and safety risks, according to a major scientific review published Thursday.
Jan 12, 2017
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A study carried out by researchers from The University of Western Australia has found significant detrimental effects to the vascular system from smoking cannabis, including early ageing.
Nov 14, 2016
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People who regularly smoke large amounts of cannabis have reduced bone density and are more prone to fractures, research has found.
Oct 12, 2016
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Researchers at the University of Exeter and UCL (University College London) have identified a gene which can be used to predict how susceptible a young person is to the mind-altering effects of smoking cannabis. The finding ...
Feb 16, 2016
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A recent study suggested a causal association between smoking tobacco and developing psychosis or schizophrenia, building on research about the relationship between the use of substances and the risk of psychosis. While cannabis ...
Jul 17, 2015
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While cannabis alters the functions of neurobiological circuits controlling appetite, its effect on weight gain is complex since several factors appear to be involved, says Didier Jutras-Aswad, University of Montreal professor ...
Jun 30, 2015
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People who smoke cannabis as little as once a week are more likely to suffer respiratory symptoms such as morning cough, bringing up phlegm, and wheezing, according to University of Otago research.
May 19, 2015
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Secondhand exposure to cannabis smoke under "extreme conditions," such as an unventilated room or enclosed vehicle, can cause nonsmokers to feel the effects of the drug, have minor problems with memory and coordination, and ...
May 13, 2015
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The number of Spaniards who said they started using cannabis in 2013 outnumbered those who said they took up smoking cigarettes, according to a government study released Tuesday.
Mar 3, 2015
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