There is the whole, reduces your chances of contracting HIV thing...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1127372/

https://www.scientificamerican.com/article/fact-or-fiction-c...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5594533/

Edit: for those down voting, please see child comment with additional studies that are also current and cover multiple populations. HN is generally opening to arguments backed by peer reviewed research, I don’t know why this topic would be any different. Also, DannyBee’s comment is interesting, regarding this article having been previously debunked