"The gay men were also at an increased risk of various cancers including prostate, testicular, anal, and colon, which might be related to limited culturally sensitive screening services. There is also an increased risk of STDs like syphilis, human papillomavirus (HPV) infections, and hepatitis in MSM (Men who have Sex with Men)."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5478215/#__ffn_sectitle
"This literature also suggested an increased risk of breast, ovarian, and endometrial cancers in lesbians and bisexual women due to fewer full-term pregnancies, fewer mammograms, and obesity."
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