Tuesday, August 5, 2025

Alzheimer’s risk may start at the brain’s border, not inside it

Your brain has its own elite defense team — and new research shows these "guardian" cells might be the real battleground for neurological diseases like Alzheimer’s and stroke. Scientists discovered that most genetic risks linked to these diseases act not in neurons, but in the blood vessels and immune cells that form the blood-brain barrier.

from Latest Science News -- ScienceDaily https://ift.tt/lc9y0O7

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Stress can scramble your brain’s internal GPS, MRI study finds

Stress may literally scramble the brain’s internal GPS. Researchers found that cortisol, a hormone released during stress, made people signi...