[1] His self-help books about weight loss and maintaining the appearance of youth have been criticized for making controversial and unsupported claims.
Perricone earned his medical degree from Michigan State University College of Human Medicine.
[3] He argues that exercise, an anti-inflammatory diet plus dietary supplements, superfoods, and topical products can help fight aging and its effects on appearance.
[1][4] According to PEERtrainer, his critics "accuse him of making crazy promises in order to sell product.
"[5][6][4] Harriet Hall and Stephen Barrett have written that Perricone's writings "contain many claims that are questionable, controversial, fanciful, unsupported by published evidence, or just plain wrong.