More secondary schooling reduces HIV risk

(Harvard School of Public Health) Longer secondary schooling substantially reduces the risk of HIV infection -- especially for girls -- and could be a very cost-effective way to halt the spread of the virus, according to researchers from Harvard T.H. Chan School of Public Health. In a study in Botswana, researchers found that, for each additional year of secondary school, students lowered their risk of HIV infection by 8 percentage points about a decade later, from 25 percent to about 17 percent...