Nobel Win Spotlights How Light Helps Map Brain Circuits
A Nobel Prize for optogenetics is drawing attention to a tool that lets researchers switch nerve cells on and off with light, helping them study brain circuits linked to dementia and other neurologic disease.
Sleep apnea can hide behind forgetfulness in later life
Obstructive sleep apnea can look like normal aging, especially after 45. Here’s what the evidence says about memory, blood pressure, and brain health.