Nccih Logo

The COVID-19 outbreak is an emerging, rapidly evolving situation.

View public health information from CDC
View research information from NIH

Evidence-Based Medicine: Literature Reviews

When talking to your patients about complementary health approaches, you want to be able to answer the question: Is there any scientific evidence that this complementary product or practice works and is safe? The resources on this page will help inform you about what the science says (limited to the past 5 years).

For more information please contact the NCCIH Clearninghouse.