A Sri Lankan paper recently tried a new way to fight disease: printing the news using mosquito-repelling ink. But no one knows for sure if such moves are effective — or just a creative advertising stunt.
The World Health Organization has issued some strong advice as part of its global campaign to prevent HIV and AIDS. WHO wants sexually active gay men to take antiretrovirals! Even those who are not HIV-positive should know about the preventive treatment, known as PreEP or "pre exposure prophylaxis."