Retin-A has been approved by FDA as a topical treatment for acne. The agency, however, has not determined whether it is safe and effective as a wrinkle remover. RIFE generator promoters claim that they can insert a person's photograph into their device and diagnose medical conditions. FDA has not approved the marketing of this device, nor is there any scientific basis for this claim. RNA, or ribonucleic acid, a natural body chemical that carries genetic information, is a common ingredient in anti- aging compounds and is also promoted for Alzheimer's.
Promoters claim it rejuvenates old cells, improves memory, and prevents wrinkling.
But there have been no controlled scientific studies to back up these claims. According to the National Institute on Aging's Schneider, writing in the New England Journal of Medicine, some studies have shown higher tissue levels of SOD in longer-living species. A survey of a large number of different animal species revealed, in fact, that the longest- lived species, human beings, had the highest tissue levels of superoxide dismutase. Hearing Aids FDA is taking action to improve the patient care of people who buy hearing aids. Though hearing aids have significantly improved the quality of life for many older Americans, the agency is concerned that some manufacturers are making unsubstantiated claims about their devices and are giving inaccurate portrayals of their devices' risks and benefits.