A path to safer painkillers: Using cryo-electron microscopy, scientists visualize how opioids engage key brain receptor

Published Date: 06 Nov 2025

Scientists have known for decades that opioids relieve pain by binding to molecular switches in the brain called mu-opioid receptors. What they didn't know—until now—was exactly what happens next.

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From financial incentives to ‘gamification’ of weight loss, researchers are testing ways to help patients lose weight and keep it off.

Sleek-looking disposable e-cigarettes and candy-flavored nicotine pouches are among a range of new products targeting young people and fueling a new wave of tobacco and nicotine addiction, the WHO warned Monday.

In a commentary published by the Journal of the American Medical Association, researchers at Rutgers Health, Harvard University and the University of Pittsburgh discuss the impact of unregulated mobile health and generative ...

The government's new mandate to carry out random oral-fluid roadside drug testing marks a milestone in New Zealand's road safety policy.

Alcohol-related diseases and injuries have the potential to cost the Australian health care system a staggering $68 billion over 60 years if nothing is done to stop the impact.

Exposing children to e-cigarettes compromises their human rights. These products should be regulated in a way that puts children's best interests first and protects them from the harms associated with nicotine consumption ...

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Vaping might seem safer than smoking but your heart could tell a different story

You may have heard that vaping is the "safer" choice than smoking. But what if the very thing designed to protect your health also puts your heart at risk?

Proposed policy calls for reduced nicotine levels in cigarettes

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Smoking rates among adults have declined in Aotearoa New Zealand over recent decades, from 18% smoking regularly in 2011/12 to 8% in 2023/24.

More than half of young adults in Australia admit to driving drunk the morning after a night out

The belief that "friends do it too" is a major factor in young adults drink-driving (driving drunk) the morning after a night out, according to a study of almost 300 Queenslanders.

People with a gambling disorder are more likely to die by suicide, research finds

Published in BJPsych Open, this is the first UK study to use routinely collected NHS data to identify factors that may predict suicide among people with gambling problems. Using anonymous health care records from Wales covering ...

Closer proximity to cannabis retail stores linked with more cannabis use but less drinking

A statewide study of more than 60,000 adult Oregonians shows that living near cannabis retail stores is associated with a greater tendency toward frequent cannabis use but a lower likelihood of heavy alcohol consumption.

Declining union membership could be making US working-classes less happy, more susceptible to drug overdoses

When fewer people belong to unions and unions have less power, the impact goes beyond wages and job security. Those changes can hurt public health and make people more unhappy.

Tobacco still top cancer killer, despite falling smoking rates

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Reward-related neurons drive risky decision-making differently in male and female rats

Some people with psychiatric conditions, including addiction and attention deficit hyperactivity disorder, struggle to control their urges or make decisions under uncertainty. In a collaboration between the University of ...

Among youth who vape, study finds rise in daily use and difficulty quitting

Since 2019, overall rates of nicotine vaping have declined among U.S. youth, but those who continue to vape are showing signs of worsening addiction, according to new USC research.

Heterosexist discrimination linked to alcohol use among LGBQ+ students of immigrant origin

Lesbian, gay, bisexual, and queer college students distressed by harassment targeting their sexuality are at a higher risk for alcohol use, especially if they are of immigrant origin. This is among the findings of a new study ...

More states eliminating insurance hurdles for opioid use disorder medications

A new study from Tulane University found that, over the past decade, more states have moved to make it easier for people with opioid use disorder to get potentially life-saving medication.

Maldives begins 'generational ban' on smoking

The Maldives began implementing a smoking ban Saturday on anyone born after January 2007, becoming the only nation with a generational prohibition on tobacco, the Health Ministry said.

The hidden dangers of vapes: Study reveals chemicals, risks and teen use

Recent testing by a Virginia Commonwealth University forensic toxicology research lab is uncovering the hidden dangers of vapes and cannabis products used by more than a million school-age children across the country each ...

Genes, personality, and family may predict alcohol drinking in teens

Examining genetic, family, and personality characteristics may help identify those who are at high risk for drinking and drinking problems as teenagers. A study, published in Alcohol: Clinical and Experimental Research, found ...

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