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Inhaling marijuana associated with increased odds of developing asthma

If you're looking to reduce your chances of developing lung disease, say experts at UC San Francisco, then it may be smart to avoid inhaling cannabis.

19 Sep 2025

Majority of reproductive-aged women face modifiable risks linked to birth defects

An analysis using data from the National Health and Nutrition Examination Survey (NHANES) among 5,374 women of reproductive age indicates that two thirds of women within this demographic have at least one modifiable risk factor, such as low folate status or unmanaged diabetes, that can increase the chance of serious birth defects.

26 Aug 2025

E-cigarette use may act as a gateway to cigarette smoking and health issues in young people

Researchers have shown that there is strong evidence that e-cigarette use may act as a gateway to cigarette smoking and other health issues in young people.

20 Aug 2025

Heated herbal product delivers nicotine with fewer toxins

Research on the iSENZIA™ system shows it provides nicotine with significantly lower harmful chemicals, highlighting its tobacco harm reduction potential.

18 Aug 2025

OU researchers explore how cannabis use affects recovery after head and neck cancer surgery

University of Oklahoma researchers are conducting a first-of-its-kind study to determine whether cannabis use affects recovery from the wounds associated with head and neck cancer surgery. The outcomes may have implications for other types of surgery and conditions.

12 Aug 2025

Vaping may be reversing decades of progress against youth smoking

The rise of vaping in youth correlates with increased smoking risk, undermining public health efforts. Study calls for enhanced tobacco control measures.

1 Aug 2025

Flavor bans linked to drop in e-cigarette use but may slow decline in smoking

A new study by investigators from Mass General Brigham examined the effects of policies banning flavored e-cigarettes on adults and young people.

30 Jul 2025

Vaping recreates 1970s smoking uptake rates in UK teens

UK teens who currently vape are as likely to take up smoking as their peers in the 1970s, despite a substantial fall in the prevalence of teenage smoking over the past 50 years, suggests a long term intergenerational study published online in the journal Tobacco Control.

30 Jul 2025

In utero exposure to vape liquids can alter skull shape during fetal development

In utero exposure to two liquid ingredients in e-cigarettes – minus the nicotine that drives addiction – can alter skull shape during fetal development, a new study in mice has found.

16 Jul 2025

Childhood heart health predicts lifelong well-being, study finds

Optimal heart health from birth through adolescence, as measured by a combination of metrics, leads to long-lasting cardiovascular and overall physical, cognitive and mental health, according to the systematic review published in the Journal of the American Heart Association.

16 Jul 2025

Vaping linked to higher COPD risk, meta-analysis finds

A comprehensive meta-analysis of over 4.3 million adults shows e-cigarette use is associated with significantly higher odds of developing COPD. The risk persists even after adjusting for smoking history, with former users at even greater risk than current users.

8 Jul 2025

Vaping versus smoking’s impact on male fertility

A new study found that male E-cigarette users undergoing IVF had higher sperm motility and lower miscarriage rates compared to conventional smokers. However, E-cigarettes were not shown to be safe and further research is needed before recommending them for fertility.

6 Jul 2025

Adolescent vaping of THC, CBD and synthetic cannabinoids rises sharply between 2021 and 2023

Novel research has revealed that adolescent vaping of current delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD), and synthetic cannabinoids (SCs) has increased between 2021 and 2023.

2 Jul 2025

Friends and social media drive teen vaping trends

Young people with friends who vape are 15 times more likely to use e-cigarettes, and more adolescents are turning to illicit cannabis products, University of Queensland research has found.

1 Jul 2025

Cannabis smoking changes your DNA, leaving epigenetic scars

Long-term, persistent weekly or more frequent cannabis smoking leaves a distinct and partially reversible epigenetic footprint on blood DNA. These methylation changes strongly overlap with those from tobacco and may serve as biomarkers of smoke exposure.

30 Jun 2025

New study reveals health risks from metals in popular disposable e-cigarettes

Brightly colored inexpensive and disposable electronic cigarettes and vapes continue to gain popularity.

25 Jun 2025

Social media content exposure linked to teen vaping and cannabis use

Teens who see social media posts showing cannabis or e-cigarettes, including from friends and influencers, are more likely to later start using those substances or to report using them in the past month, according to surveys done by researchers at the Keck School of Medicine of USC.

24 Jun 2025

OU researchers launch innovative study to track e-cigarette habits in young adults

Electronic cigarettes, or vapes, are widely used and available in hundreds of different types and flavors, yet researchers lack information about the everyday e-cigarette habits of young adults.

18 Jun 2025

Digital classroom lessons give students the tools to say no to vaping

Researchers co-designed and user-tested the ‘OurFutures Vaping’ digital program to prevent e-cigarette use among Australian adolescents. The four-lesson intervention, developed with students and teachers, showed high acceptability and addresses critical gaps in youth vaping prevention.

12 Jun 2025

As cannabis users age, health risks appear to grow

Benjamin Han, a geriatrician and addiction medicine specialist at the University of California-San Diego, tells his students a cautionary tale about a 76-year-old patient who, like many older people, struggled with insomnia.

9 Jun 2025