Uncategorized
-
19843
Your article states, “Exercise, estrogen, [and more examples] all rev up production of new brain cells.” I am compelled to ask: If estrogen leads to neurogenesis, does the “male” hormone testosterone also? Jaime HunterMesquite, Texas There’s good evidence that testosterone increases neurogenesis in songbirds but little evidence that it does the same in mammals. —B. […]
-
Brain Gain
The brain constantly sprouts new neurons, a recently discovered phenomenon that neuroscientists and drugmakers are working to understand and harness.
- Humans
Letters from the June 16, 2007, issue of Science News
Bigger picture Reading “Pictures Posing Questions: The next steps in photography could blur reality” (SN: 4/7/07, p.
