However, there are five surprising acne treatments - some with proven effectiveness, some without - that you may not have heard of.
A vaccine with proven effectiveness against Meningitis B was developed in Cuba in the 1980s.
Too often, the state spends money on services of no proven effectiveness.
Legislation has been introduced in the Senate and House that would capitalize on the proven effectiveness of waiting periods.
Many natural remedies are recommended for psoriasis, but they have no proven effectiveness.
"What we could be setting ourselves up for is an epidemic of implantation of a device with no proven effectiveness."
Effective care and patient safety, which includes services of proven clinical effectiveness, such as using lipid lowering agents in patients with coronary artery disease.
There is no treatment of proven effectiveness for CBS.
Missouri emphasizes community programs with proven effectiveness that treat juveniles near their homes, with family involvement whenever that is possible.
Other activities covered include promoting more widespread use of crash avoidance technologies with proven effectiveness, such as electronic stability control and anti-lock braking systems.