News Neuroscience Brain’s protective barrier gets leakier with age Accelerated deterioration of blood-brain wall may play a role in memory loss By Ashley Yeager January 21, 2015 at 1:55 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Time can wear down the sturdiest walls, even the one that protects the brain from bad stuff in the blood. This blood-brain barrier breaks down with age, possibly playing an important role in Alzheimer’s disease, a new study suggests. Images published in the Jan.