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'Fart gas' link to blood pressure
Source: BBC.com

The gas best known for being used in many stink bombs may also control blood pressure, say US researchers.

Small amounts of hydrogen sulphide - a toxic gas generated by bacteria living in the human gut - are responsible for the foul odour of flatulence.

But it seems the gas is also produced by an enzyme in blood vessels where it relaxes them and lowers blood pressure.

The findings in mice may lead to new treatments for high blood pressure, the Science journal reported