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Cannabis use now linked to increased risk of regular tobacco use in US youth

Teens and young adults who use cannabis are more likely to become regular tobacco users – even if they haven't previously tried tobacco – compared to similar people who do not use cannabis, suggests a US study published online in the journal Tobacco Control.

23 Oct 2025

Toxic compounds from heated e-cigarette fluids can damage lung cells

A study by University of California, Riverside, scientists has found that two toxic chemicals can form when the main ingredient in most e-cigarette fluids is heated, and that these compounds can harm human lung cells.

23 Oct 2025

Cannabis and tobacco co-use linked to shifts in brain's 'bliss molecule'

People who use both cannabis and tobacco show distinct brain changes compared to those who use cannabis alone, according to a new study led by McGill University researchers at the Douglas Research Centre.

21 Oct 2025

AGA updates guidelines for Barrett's Esophagus to catch cancer early

The American Gastroenterological Association (AGA) released a new clinical practice guideline on the surveillance of Barrett's esophagus, the only known precursor to esophageal cancer (adenocarcinoma), a highly lethal cancer whose incidence has risen substantially over recent decades.

21 Oct 2025

Researchers link postmenopausal status to increased dry eye risk

Many symptoms, such as hot flashes and vaginal dryness, are commonly associated with the menopause transition. One of the lesser-known symptoms that worsens in midlife is dry eyes. A new study suggests that postmenopausal women exhibit a higher prevalence of dry eye disease than perimenopausal women.

21 Oct 2025

Transdermal hormone therapy offers potential reduction in anxiety and depression

Hormone therapy–oral and transdermal–remains the most effective treatment for such bothersome menopause symptoms as hot flashes and is generally considered safe for most patients. A new study shows that risk profiles are different based on how the hormones are administered.

21 Oct 2025

Psychological fatigue poses major risk for returning smokers

The most reliable predictor of an ex-smoker's relapse isn't strong urges to smoke or low confidence in the ability to stay off tobacco – it's weariness with the efforts to remain a non-smoker, according to a new study published today in Addiction.

16 Oct 2025

Mobile van brings advanced lung cancer screening to New Yorkers

A state-of-the-art health screening van launched this month is bringing advanced imaging technology and health education directly to New Yorkers who are at the greatest risk of developing lung cancer.

16 Oct 2025

GLP-1 medications found to slow alcohol absorption and lessen intoxication

There's mounting evidence that popular drugs prescribed for diabetes management and weight loss - better known by trade names like Ozempic and Wegovy - could be effective in reducing alcohol use.

15 Oct 2025

Quitting smoking linked to slower memory decline in midlife and older adults

The study, published in The Lancet Healthy Longevity, looked at data from 9,436 people aged 40 or over (with an average age of 58) in 12 countries, comparing cognitive test results among people who quit smoking with those of a matched control group who kept smoking.

13 Oct 2025

Genetic study reveals links between cannabis use and mental health

University of California San Diego of Medicine researchers, in collaboration with the genetic testing company 23andMe, have identified regions of the human genome associated with cannabis use, uncovering new relationships with psychiatric, cognitive and physical health.

13 Oct 2025

Quitting smoking after cancer diagnosis sharply improves survival, study finds

Postdiagnosis smoking cessation was linked to significantly longer overall survival among cancer patients across all stages, based on real-world electronic health record data. Despite clear survival benefits, only one in five smokers quit within six months of diagnosis, highlighting missed opportunities for intervention.

13 Oct 2025