Abstinence education is a controversial topic in the United States. Some have argued that it is ineffective and does little to change teenage sexual behavior. A recent study by the Heritage Foundation, however, found that many abstinence programs produce positive results:

Overall, 16 of the 21 studies reported statistically significant positive results, such as delayed sexual initiation and reduced levels of early sexual activity, among youths who have received abstinence education.

You can read the entire study here.