If the evidence does not show that poppers cause significant harm they will be excluded from the ban. So we’re pleased that the Government has agreed there should be an immediate review by experts about the levels of harm. We think the ban could put the health of gay and bi men who use them at risk and have been calling on the Government to exclude poppers if the evidence shows that the harm caused by poppers is not significant. News Blog Communities Health & social care Law & crime Today the House of Commons voted in favour of a law that will ban the legal sale of poppers from April.