RT Journal Article SR Electronic T1 Antioxidants and hormones as antiaging therapies: High hopes, disappointing results JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 1049 OP 1058 VO 73 IS 12 A1 Nabil S. Kamel A1 Julie Gammack A1 Oscar Cepeda A1 Joseph H. Flaherty YR 2006 UL http://www.ccjm.org/content/73/12/1049.abstract AB No single agent has been shown to truly reverse aging or increase longevity in humans. This article reviews the evidence of efficacy (or lack thereof) for two types of agents touted as antiaging therapies: antioxidants (vitamin E, vitamin C, and carotenoids) and hormones (growth hormone, testosterone, dehydroepiandrosterone, and vitamin D).