Houlei Zhang

It’s in your head:  Most people believe they control their stress levels. But stress is a physical response, an evolutionary tool that helps us respond to threats. When presented with a stressful situation, the body responds by releasing two hormones: cortisol and adrenalin. These naturally occurring hormones allow us to initiate our fight or flight […]

As many as one in six people suffer from seasonal affective disorder, or SAD—a form of depression that seems to ride in on autumn’s coattails. Health experts have long suspected sun exposure (or lack thereof) has something to do with the phenomenon. And new research from the University of Copenhagen seems to back up those […]

9 Foods Naturally High in Vitamin D November 17, 2015Authors: Jenn Savedge Source: Foods High in Vitamin D Put down the supplements. There are tastier ways to get your sunshine vitamin this winter. The shorter days of winter have many of us coming and going in the dark. And that means we’re likely getting much less vitamin […]