TasP, PEP and PrEP: what does it mean in HIV prevention?

TasP: Therapy as Prevention. If you have HIV, it is important to start treatment with HIV medication (called antiretroviral therapy or ART) as soon as possible after diagnosis.
Chems and Consent

Using chems can reduce your inhibitions. This is (for some) part of the reason for engaging in chemsex. One risk of using chems (especially ‘G’) is becoming unconscious when overdosed.
STDs and chemsex

Syphilis, gonorrhea and chlamydia are the most common sexually transmitted diseases among gay and bi men.