RadioMD News... I'm John Byrd.

Scientists say they have created a new type of stem cell, capable of dividing and replicating with just one copy of DNA, instead of the normal two. Researchers are hopeful these stem cells may aid in cures for cancer, blindness, diabetes and other conditions.

Even a little exercise like gardening or dancing might help cut your Alzheimer's risk in half, finds a new study. Any activity that gets you moving on a regular basis seems to help the brain increase gray matter, which in turn may keep dementia at bay.

And... women may need more sleep than men? It's true, finds new research. Women's brains are wired differently than men's and therefore may suffer more detriment when they are not getting enough sleep. And women need more of it than men. How much more? On average, about 20 more minutes per day. So if you or your partner needed that little extra excuse to hit the snooze button in the morning, there it is. You're welcome.

For RadioMD News, this is John Byrd. Hear health talk interviews with top experts at RadioMD dot com.