Sexual Health Sexual Health Afraid To Ask If you really want gory lowdown, including photos, on any STI or other embarrassing health issue, here’s the place to look. If you don’t, steer well clear. Chaps Online Sexual Health Website run by THT. Gay Mens' Health Health, advice and counselling sit for gay and bisexual men. GMFA Sex & Sexual Health Website designed to answer all your questions about gay men’s sexual health (aimed at London gay men). Terrence Higgins Trust Originally set up in response to the HIV epidemic, the Terrence Higgins Trust works to improve sexual health through campaigning and provision of information.