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Exploring the Association of e-Cigarette and/or Cannabis Use with Heavy Episodic Drinking among Ontario Adults

The use of e-cigarettes and cannabis are significantly associated with heavy episodic drinking among adults, indicating that those who engage in the dual use of e-cigarette and cannabis may be an important group to target with intervention programs. Click here to read the full study, published in Substance Use & Misuse. For more information on

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Doctors Inform Parents of Marijuana Use Linked to Youth Mental Health

Dr. Roneet Lev, with Scripps Hospital Emergency Room, wants to make sure parents and youth are making informed decisions and understand the risks. During Thursday’s event, doctors laid out the relationship between marijuana use and youth mental health. Lev warned that cannabis use is a suicide risk factor for people under the age of 25.

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Prenatal Cannabis Exposure Associated with Mental Disorders in Children that Persist into Early Adolescence

Prenatal cannabis exposure following the middle of the first trimester—generally after five to six weeks of fetal development—is associated with attention, social, and behavioral problems that persist as the affected children progress into early adolescence (11 and 12 years of age), according to new research supported by the National Institute on Drug Abuse (NIDA), part

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Comorbidity and Coaggregation of Major Depressive Disorder and Bipolar Disorder and Cannabis Use Disorder in a Controlled Family Study

In this cross-sectional study of 586 probands and 698 first-degree relatives, cannabis use disorder and bipolar disorder II in probands were associated with an independent increase in risk of cannabis use disorder in relatives; bipolar disorder I and major depressive disorder in probands were not significantly associated with cannabis use disorder in relatives. The risk

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How Men’s Cannabis Use Could Affect Their Kids’ Health

Decades of research have shown us how mothers’ consumption of marijuana during pregnancy can affect the health and development of their children. Fetal exposure to tetrahydrocannabinol (or THC, the active ingredient in marijuana) has been linked to lower birth weights and birth defects, higher aggression, and poorer attention in infants as well as impulse control,

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Self-reported marijuana use and cardiac arrhythmias (from the Multiethnic Study of Atherosclerosis)

Marijuana use among all age groups has been increasing, including among older adults aged ≥65 years. There is a lack of epidemiologic data examining arrhythmia risk among users of marijuana. We evaluated cross-sectional associations between current and past marijuana smoking and arrhythmias among 1485 participants from the Multiethnic Study of Atherosclerosis who underwent extended ambulatory

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Stanford study links marijuana use to increased heart attack risk

A robust new study led by researchers from Stanford University has found a strong association between increased risk of heart attack and regular marijuana use. The study indicates THC can trigger inflammation in blood vessel cells and the researchers call for medical marijuana users to be aware of potential cardiovascular risks. Published in the journal

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WADA Executive Committee Approves 2023 Prohibited List

On September 23, the World Anti-Doping Agency’s (WADA’s) Executive Committee (ExCo) held its second meeting of the year in Sydney, Australia. ExCo members, some of whom attended in person and others virtually, were updated on WADA’s progress on key priorities, took a number of decisions – the main ones being summarized below – and made

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Doctors Inform Parents of Marijuana Use Linked to Youth Mental Health

Dr. Roneet Lev, with Scripps Hospital Emergency Room, wants to make sure parents and youth are making informed decisions and understand the risks. During Thursday’s event, doctors laid out the relationship between marijuana use and youth mental health. Lev warned that cannabis use is a suicide risk factor for people under the age of 25.

Read More »
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