Tetrahydrocannabinol News and Research

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Low-dose THC mitigates harmful side effects and inflammation caused by HIV treatment

Long-term, low doses of THC mitigate many harmful side effects and inflammation caused by HIV and antiretroviral therapy (ART), according to new research from Texas Biomedical Research Institute.

6 Nov 2025

Portable sensor can accurately detect synthetic cannabinoids in e-cigarette and biological samples

Even though electronic cigarettes do not contain any illicit substances, the liquid can cause serious health problems.

9 Oct 2025

Cannabis extract eases chronic back pain and improves quality of life in major clinical trial

A phase 3 trial in Nature Medicine found that a full-spectrum Cannabis sativa extract (VER-01) significantly reduced chronic low back pain and improved sleep and function compared with placebo. The extract was safe, well-tolerated, and showed no signs of abuse or dependence, with benefits maintained over long-term treatment.

30 Sep 2025

Driving performance unaffected in regular cannabis users after 48 hours of abstinence

Scientists from the Center for Medicinal Cannabis Research (CMCR) at the University of California San Diego School of Medicine found that, in the largest such study to date, frequent cannabis users did not display impairments in driving performance after at least 48 hours of abstinence.

11 Sep 2025

Can cannabis use disrupt women’s fertility? New study finds strong evidence

Researchers found that THC, the psychoactive compound in cannabis, alters oocyte gene expression, spindle formation, and chromosome segregation, lowering embryo euploidy rates in IVF. This provides direct human evidence linking cannabis exposure to impaired female fertility outcomes.

10 Sep 2025

Using cannabis to self medicate linked to higher risk of paranoia

New research from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King's College London, in partnership with the University of Bath, has found that the reasons why a person chooses to use cannabis can increase their risk of developing paranoia.

27 Aug 2025

Cannabis use disorder triples five-year risk of oral cancer

Research shows cannabis use disorder triples the risk of oral cancer, challenging perceptions of cannabis safety and prompting calls for health screenings.

5 Aug 2025

High potency cannabis tied to greater use and risk in US youth

A new study published today in the scientific journal Addiction has found that young adults in the US do not 'titrate' when using strong cannabis.

1 Aug 2025

Hemp seeds: The surprisingly complete protein hiding in plain sight

Researchers reviewed the nutritional and functional potential of industrial hemp seeds, highlighting their complete protein, healthy fat, and fiber content. The review outlines how processing innovations and market forces could make hemp a leading ingredient in plant-based and functional foods.

24 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

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

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

Salk researchers create detailed genetic atlas of cannabis to date

Cannabis has been a globally important crop for millennia. While best known today as marijuana for its psychoactive cannabinoid THC (tetrahydrocannabinol), historically, cannabis has been a cornerstone of human civilization, providing seed oil, textiles, and food for more than 10,000 years.

29 May 2025