
Previous research present publicity to Tetrahydrocannabinol (THC)—the principle psychoactive element in hashish—whereas in utero can result in decrease start weight and potential coronary heart issues in new child animal offspring. For the primary time, researchers from Western’s Schulich School of Medicine & Dentistry have discovered a possible approach to forestall these results.
A latest study, published within the journal Scientific Reports, is the primary to uncover a possible intervention to treatment the decline in start weight and compromised coronary heart well being in offspring because of THC publicity in utero. The study was led by Schulich Medicine & Dentistry researchers Dan Hardy and Kendrick Lee.
Using rat models, the researchers discovered coronary heart deficits related to THC have been counteracted by Omega-3 supplementation. In this study, researchers have been capable of replicate the outcomes from a 2019 study by which they demonstrated publicity to THC decreases stroke quantity (quantity of blood pumped out from the left ventricle), cardiac output (quantity of blood your coronary heart pumps out per minute) and ejection fraction (quantity of blood your coronary heart pumps every time it beats) in rat offspring.
“When we gave the animal models an Omega-3 food regimen throughout being pregnant and for 3 weeks postpartum, we discovered it prevented low start weight outcomes,” mentioned Hardy, the research’s lead writer and professor within the departments of obstetrics and gynecology and physiology and pharmacology. “More importantly, it prevented the early lower in cardiac operate.”

According to Hardy, an Omega-3 food regimen consists of two vital fatty acids, DHA and EPA, which play key roles in supporting fetal progress and coronary heart well being. Omega-3 has been confirmed to be a helpful complement throughout being pregnant in stopping gestational diabetes and defending fetal growth. It’s additionally a possible intervention as Omega-3 is broadly accepted and accessible.
“These outcomes have been promising as they present that it’s potential to stop these long-term antagonistic outcomes within the offspring,” mentioned Lee, the research’s first writer who carried out this analysis whereas finishing his Ph.D. at Western.
“Ultimately, one of the simplest ways to stop the antagonistic cardiac well being outcomes in offspring is to cease utilizing hashish, however this study raises the thrilling chance that an Omega-3 food regimen might be helpful to these youngsters, whom with out selection, have been uncovered to hashish in utero.”
More data:
Kendrick Lee et al, Maternal dietary DHA and EPA supplementation ameliorates antagonistic cardiac outcomes in THC-exposed rat offspring, Scientific Reports (2025). DOI: 10.1038/s41598-025-92844-6
Citation:
Omega-3s have potential to counteract THC results on fetal growth, study finds (1)
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