This article was reviewed and certified

An independent, credentialed expert reviewed this content for accuracy before publication. CertREV records that the review took place and stands behind it.

Reviewed by

What this certificate confirms

• A credentialed expert reviewed the content

  Olutoyin O. Fayemi's credentials were verified by CertREV and matched to this article's subject.

• Claims were checked against the evidence

  The expert reviewed the article's health claims and requested edits before signing off.

• The certified version is recorded

  The exact text the expert approved is fingerprinted, so any later change is detectable.