Researchers at the National Institute on Aging (NIA), part of the National Institutes of Health, have discovered a key to embryonic stem (ES) cell rejuvenation in a gene - Zscan4 - as reported in the March 24, 2010, online issue of Nature. This breakthrough finding could have major implications for aging research, stem cell biology, regenerative medicine and cancer biology...

USA Today: "Perhaps the biggest factor in whether your Medicare costs will rise or fall depends on your Medicare plan. There are two: a traditional Medicare plan run by the federal government and Medicare Advantage, which is run by private insurance companies. Medicare Advantage costs more than the traditional plan, but provides more generous benefits. There are 10...

The New York Times previews a Capitol Hill hearing Wednesday where nursing home operators and caregivers will criticize a narcotics crackdown by the Drug Enforcement Administration that they say "has left seriously ill patients crying for pain relief. The D.E.A...

New study identifies medical conditions which put seniors at high risk of unsubsidized medical prescription expenses If you're older, a woman, and suffering from either dementia or diabetes, you are the most likely to be exposed to unsubsidized medication costs in the US...

UCSF scientists report that they were able to prompt a new period of "plasticity," or capacity for change, in the neural circuitry of the visual cortex of juvenile mice. The approach, they say, might some day be used to create new periods of plasticity in the human brain that would allow for the repair of neural circuits following injury or disease...

Intriguing findings on hormone replacement therapy (HRT) and cataract risk, and on smoking and uveitis risk are reported in this month's Ophthalmology,the journal of the American Academy of Ophthalmology...