Research has found that stress and chronic stress in releases glucocorticoids. “As a result, the hippocampus and frontal cortex continually back-burner their housekeeping duties of cleaning up connections between neurons,” says Sapolsky. Over time, that can cause these neurons to function poorly, potentially leaving us vulnerable to cognitive decline.
“A Harvard study found that among a group of adults between ages 25 and 55, those who meditated and practiced yoga for about three hours per week over the course of eight weeks showed significant increases in gray matter of the left hippocampus, which helps facilitate our ability to store information and recall it later.”
Read more…www.oprah.com/spirit/How-Worry-Affects-Your-Brain