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Neuroscience
Disrupted brain balance in alcohol dependence involves two signaling pathways
A new study by Scripps Research reveals that alcohol dependence disrupts two signaling pathways in a stress-related part of the brain—and offers insights on developing drugs to treat this condition.
12 hours ago
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Mixing lab rigor with real life, researchers craft new recipe for groundbreaking alcohol studies
Nearly 80% of Americans aged 12 and older have consumed alcohol at least once in their lives, and 10% of the population suffers from alcohol use disorder. And yet, scientists still know surprisingly little about how alcohol ...
19 hours ago
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After Canada legalized cannabis, police caught more drunk drivers
When Canada legalized cannabis in October 2018, there were many concerns about its potential impacts. One of them involved cannabis-impaired driving.
Dec 21, 2025
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More than a quarter of college students use CBD products at least once a month
Nearly half of college students have tried CBD products, according to new research from the University of Georgia.
Dec 19, 2025
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Trump orders marijuana reclassified as less dangerous drug
US President Donald Trump signed an executive order Thursday to reclassify marijuana as a less dangerous drug, paving the way for more medical research on the use of cannabis products.
Dec 18, 2025
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Most Americans still get nicotine wrong
Nicotine is the drug that keeps people coming back to cigarettes, but not the substance that causes serious health effects in people who use tobacco. It is the tar and toxic chemical mix in tobacco and tobacco smoke that ...
Dec 18, 2025
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Cannabinoid hyperemesis syndrome found to have increased from 2012 to 2021
From 2012 to 2021, there was an increase in the prevalence of cannabinoid hyperemesis syndrome (CHS) in Massachusetts, with the highest 10-year prevalence among young adults, Hispanic individuals, Black individuals, and men, ...
Dec 18, 2025
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A decline in churchgoing linked to more deaths of despair
A decline in religious participation among middle-aged, less educated white Americans may have played a role in the widely noted increases in "deaths of despair," a new study finds.
Dec 18, 2025
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Cannabis use rising fastest in disadvantaged and regional communities in Australia
People living in socially disadvantaged and regional areas of Australia are consuming significantly more cannabis than their counterparts in wealthier metropolitan towns and cities, a new study has found.
Dec 18, 2025
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Vapes, pouches, shisha, cigarettes: Nicotine in all forms is toxic to the heart and blood vessels, say experts
Nicotine is toxic to the heart and blood vessels, regardless of whether it is consumed via a vape, a pouch, a shisha or a cigarette, according to an expert consensus report published in the European Heart Journal. The report ...
Dec 17, 2025
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Reported use of most drugs remains low among US teens
For the fifth year in a row, use of most substances among teenagers in the United States has continued to hover around the low-water mark reached in 2021. The findings come from the latest report of the Monitoring the Future ...
Dec 17, 2025
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Sharp rise in nicotine pouch use in Great Britain driven by young men
Use of nicotine pouches has risen substantially in Great Britain over the last five years, particularly among young men, with one in 13 (7.5%) men aged 16 to 24 now using them, according to a new study led by researchers ...
Dec 17, 2025
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Teen drug use remains low, but survey finds small rise in heroin and cocaine use
Teen use of alcohol, nicotine and marijuana remains at record lows, according to national survey results released Wednesday.
Dec 17, 2025
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One in six grassroots footballers experience gambling problems, study shows
New research has revealed adult grassroots football players are five-times more likely to experience gambling problems than other adults in England, turning a healthy hobby into a hidden harm.
Dec 17, 2025
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Raising legal drinking age improves academic performance and mental health
A study by the University of Zurich, based on policy changes in Spain, shows that teenagers drink significantly less alcohol when the minimum legal drinking age is raised. In addition, a reduction in drinking also leads to ...
Dec 16, 2025
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Young adults commonly mix cannabis with nicotine and tobacco
Simultaneous use of cannabis with nicotine and tobacco products is common among cannabis users—particularly those who vape—according to a new study from Columbia University Mailman School of Public Health. The research ...
Dec 16, 2025
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Pregnant women with opioid use disorder get more health care, but few medications
Perinatal mothers enrolled in Michigan Medicaid between 2012 and 2021 who had opioid use disorder were more likely to have a premature birth and to use more health care services than mothers without OUD, according to a University ...
Dec 16, 2025
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Trump 'considering' push to reclassify marijuana as less dangerous
US President Donald Trump on Monday said his administration could push to loosen federal restrictions on marijuana, reclassifying it as a less dangerous drug.
Dec 16, 2025
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Trying to quit smoking? A workplace lottery may help
People who want to quit smoking benefit from lotteries as an incentive. This is evident from the Smoke-Free Lottery, a field experiment conducted by the RIVM, Radboud University and various Dutch universities. The findings ...
Dec 15, 2025
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Researcher leads global push to cut tobacco harms in people with mental health conditions
A University of York professor has called for urgent international action to tackle what he describes as an "unseen epidemic" of tobacco-related deaths among people with mental ill health.
Dec 15, 2025
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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 ...
Dec 12, 2025
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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.
Dec 12, 2025
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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.
Dec 12, 2025
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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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