There was at least one scientific study, by authors who don't want it used to condemn homosexuality. Summary: Study at the height of the AIDS death rate found

There was at least one scientific study, by authors who don't want it used to condemn homosexuality. Summary: Study at the height of the AIDS death rate found that homosexuality led to shortened lifespan. AIDS death rate has declined dramatically, but there has not been a followup study. Here's a politifact analysis: https://www.politifact.com/virginia/statements/2012/jun/07/bob-marshall/bob-marshall-says-homosexual-behavior-cuts-life-ex/ https://www.politifact.com/virginia/statements/2012/jun/07/b... More recently, a 2014 pro-LGBT study claimed to show a shortened lifespan, attributed to prejudice: https://www.medicaldaily.com/can-prejudice-kill-you-lesbian-gay-bisexual-life-expectancy-drops-12-years-anti-gay-communities https://www.medicaldaily.com/can-prejudice-kill-you-lesbian-... though this failed replication ("No effect found") https://www.sciencedirect.com/science/article/pii/S027795361630627X https://www.sciencedirect.com/science/article/pii/S027795361...