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Cannabis use not a barrier to quitting nicotine vaping, clinical trial finds
Adolescent and young adult nicotine vaping has become an urgent public health concern, as 2024 marked the first year that nicotine vaping was the most initiated drug. Though vaping is the most common way young people use ...
23 hours ago
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Addiction
Integrating methadone treatment into primary care increases guideline-concordant care
Integrating methadone treatment into primary care settings improves adherence to guideline-concordant health care for opioid use disorder (OUD), according to a study published online Dec. 9 in the Annals of Internal Medicine.
16 hours ago
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AI can help primary care clinics spot risky drinking habits
On any given day in a busy primary care clinic, doctors and others often ask patients about their alcohol use, and try to gauge if it falls into healthy or problematic range.
21 hours ago
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Rats may seek cannabis to cope with stress
It isn't just people—when given the chance, rats may also use cannabis to cope with stress, according to a study by researchers at Washington State University.
Dec 11, 2025
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Cannabis edibles pose major crash risk
More than 75% of recreational cannabis users aged 19 to 30 crashed in a driving simulation after consuming edibles, a new University of Saskatchewan (USask) study shows.
Dec 11, 2025
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Why teenagers won't quit vaping, even when the risks are clear: A psychologist explains
Vaping among teenagers is a growing global health problem.
Dec 11, 2025
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Research strengthens evidence linking alcohol use to cancer
As Americans gear up for the holiday season, new research offers a timely reminder to reflect on the long-term health effects of raising a celebratory glass—or two. Alcohol is known to increase the risk of several cancers ...
Dec 11, 2025
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Dual use of cigarettes and vapes can reduce risks of smoking and help smokers quit, study finds
A new major study from Queen Mary University of London has found that smokers who use both cigarettes and e-cigarettes at the same time—known as dual use—are reducing their intake of harmful chemicals and are also more ...
Dec 10, 2025
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Genetic links found between addiction risk and educational attainment
A new study published in Addiction has identified genetic factors that influence both a person's risk of developing an addiction and their educational attainment. Researchers found that some genetic variants affect both traits ...
Dec 10, 2025
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Study finds increase in risk of binge drinking among 12th-graders who use two or more cannabis products
The cannabis marketplace continues to grow and evolve, offering consumers new ways to use cannabis—and new ways to combine it with other substances, such as alcohol. That practice can be particularly detrimental to adolescents, ...
Dec 10, 2025
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Opioids: Clarifying the concept of safe supply to save lives
In Canada, thousands of people use contaminated street opioids. To reduce overdoses, the country has been experimenting for the past 10 years with the distribution of pharmaceutical opioids as an alternative to illicit drugs. ...
Dec 10, 2025
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Exposure to neighborhood violence leads some Denver teens to use tobacco and alcohol earlier, new study shows
High levels of neighborhood violence increase the risk of Latino and African American teens in Denver starting to use alcohol and tobacco, according to our recent study.
Dec 10, 2025
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Light-based brain therapy shows promise in cutting opioid cravings and relapse
Washington State University researchers have discovered how a neural circuit—or a connection between two brain regions—drives relapse after opioid use, a finding that could lead to more effective treatments for opioid ...
Dec 9, 2025
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Want to curb cannabis-related crashes? Don't forget older adults, study finds
With cannabis-related vehicle crashes on the rise, a new study suggests that prevention campaigns shouldn't focus just on young people.
Dec 9, 2025
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Holiday season sees spike in impaired driving—alcohol isn't the only culprit, expert says
December is one of the deadliest months for impaired driving; and according to data from the National Highway Traffic Safety Administration in 2022, December drunken driving rates were at their highest in 15 years.
Dec 9, 2025
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The hidden toll of substance use disorder: Annual cost of lost productivity to US economy nearly $93 billion
A new study shows that in 2023, substance use disorders led to nearly $93 billion in lost productivity in the United States from missed work, reduced job performance, inability to work, and lost household productivity. The ...
Dec 9, 2025
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Old habits die hard: Study shows most young nicotine, cannabis users are still lighting up
Young Americans use nicotine, tobacco and cannabis in multiple ways, but smoking those items—the most dangerous method—is still involved for most users, a new University of Michigan study found.
Dec 8, 2025
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Medical cannabis linked to reduced opioid use in adults with chronic pain
Adults with chronic pain who participated in New York State's (NYS) Medical Cannabis Program were significantly less likely to require prescription opioids, according to a new study published in JAMA Internal Medicine and ...
Dec 8, 2025
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Abstinent smokers more sensitive to pain due to neural changes, finds study
Abstinent smokers experience increased pain sensitivity during withdrawal, to the point that they often require more pain relief after surgery. Why? New from JNeurosci, Zhijie Lu, from Fudan University Minhang Hospital, and ...
Dec 8, 2025
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Quitting smoking completely is best way to protect your health, study shows
New research from Johns Hopkins Medicine adds to existing evidence that smoking fewer cigarettes does not eliminate cardiovascular disease risk, and quitting entirely is the most effective strategy for improving health.
Dec 6, 2025
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Brain enzyme that drives nicotine addiction and smoking dependence identified
Nicotine addiction remains one of the most persistent public health challenges worldwide, driven by changes in the brain that reinforce repeated use and make quitting extremely difficult. For decades, scientists have focused ...
Dec 4, 2025
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Chronic cannabis use, vomiting and compulsive bathing—symptoms of a hidden syndrome
Researchers at the Jane Addams College of Social Work at the University of Illinois Chicago have found that cannabinoid hyperemesis syndrome, a vomiting condition tied to chronic cannabis use, rose sharply in US emergency ...
Thinking of Dry January? One month without alcohol linked to better sleep, mood and health, study finds
With the new year on the horizon and resolutions brewing, more people are saying cheers to a booze-free January, a choice that might come with some real health benefits and, ultimately, help some people cut back for good.
Dec 3, 2025
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Increased use of cannabis seen among adolescents with psychiatric illnesses after cannabis sales became legal
In November 2018, retailers in Massachusetts began selling recreational cannabis to adults 21 years and older. A study by investigators from Mass General Brigham found that, after commercialization, rates of cannabis use ...
Dec 3, 2025
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Report reveals scale of alcohol's harm to others
A landmark report led by La Trobe University has unveiled the true scale of damage caused by alcohol in Australia. "Alcohol's Harm to Others in Australia: Patterns, Costs, Disparities and Precipitants" was compiled over six ...
Dec 3, 2025
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