Could Passing Gas Actually Help Lower Blood Pressure? New Research Says Yes

Update: 2025-06-03 05:00 GMT

New Delhi: Passing gas might seem embarrassing, but new research shows it could have an unexpected benefit for your blood pressure.

Scientists have found that hydrogen sulfide, a gas produced in the gut and released during flatulence, plays an important role in regulating blood vessel function and blood pressure.

A study published in the journal Science by researchers at Johns Hopkins University revealed that hydrogen sulfide (H₂S) is produced in the body by an enzyme called cystathionine γ-lyase (CSE).

This enzyme is activated by calcium-calmodulin during vascular activity, leading to the formation of H₂S. In experiments with mice genetically engineered to lack CSE, the researchers observed a significant drop in H₂S levels in serum, heart, aorta, and other tissues.

These mice developed pronounced hypertension and showed reduced ability for blood vessels to relax, providing direct evidence that H₂S acts as a natural vasodilator and blood pressure regulator.

Hydrogen sulfide causes arteries to dilate, allowing blood to flow more freely and easing pressure on artery walls. This vasodilation is essential for maintaining healthy blood pressure and protecting against complications of hypertension such as stroke, heart attack, and kidney disease.

Hydrogen sulfide is produced when certain gut bacteria digest food, releasing this gas naturally during flatulence. While often associated with unpleasant odor, H₂S is also formed by human cells in small amounts and functions as an intercellular signaling molecule within the cardiovascular system.

Laboratory studies involving animals showed that hydrogen sulfide could reduce blood pressure in hypertensive models, supporting its biological role in cardiovascular health. Although the idea of “passing gas” being beneficial might sound humorous, the research highlights the important connection between the gut microbiome and heart health.

Maintaining a balanced gut flora through a high-fiber diet, prebiotics, and probiotics encourages the production of beneficial compounds like hydrogen sulfide, which may help regulate blood pressure and protect cardiac function.

However, researchers caution that this does not mean people should intentionally increase flatulence or make drastic dietary changes without consulting a medical professional. The direct relationship between gas release and blood pressure control in humans requires further study.

This research adds to growing evidence that gut health impacts the whole body, including the cardiovascular system. It reminds us that the complex mechanisms our bodies use to maintain balance can come from unexpected sources.

So next time you feel a little gassy, there’s no need to feel embarrassed, it could actually be doing your heart some good.

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