What’s inside
Feature
A blood test that estimates when symptoms start
How a WashU team turned one blood measurement into a rough countdown to Alzheimer’s symptoms, why age changes the countdown, and what years of warning could be used for.
The roundup
Sharp old brains, early clues and a test recall
New nerve cells in people over 80 with unusually good memory, warning signs hiding in medical records, and a blood-test recall.
Spotted in the Wild
Two supplements, checked
What’s actually known about methylene blue and lion’s mane, plus a caregiver’s audition worth watching.
Trial watch
Four updates, followed up
Starting Leqembi at home, a newly approved drug for agitation, a pill with results due in November, and a light-and-sound headset.
Caregiver reset
A longer out-breath
For the person doing the caring: a breathing pattern Stanford tested against meditation.