Can stress make you age before your time? Doctors reveal why grey hair in your 20s and brain fog in your 30s aren't always a ...

How diet, early chemical contact, genetic risk, and biological sex combine to shape memory function over a lifetime remains a ...

Add Yahoo as a preferred source to see more of our stories on Google. Changes in the synapses between neurons is responsible for learning and memory. KTSDESIGN/Science Photo Library via Getty Images ...

When cells are healthy, we don't expect them to suddenly change cell types. A skin cell on your hand won't naturally morph into a brain cell, and vice versa. That's thanks to epigenetic memory, which ...

Memory is not a recording device. It doesn't play back events like a video camera would. Instead, it's a remarkably active, creative process that reconstructs the past each time we reach for it.

Janine Kwapis, left, and graduate student Chad Brunswick identify individual neurons, in green, in the mouse hippocampus, in blue, that were activated when that mouse formed a memory. UNIVERSITY PARK, ...