Add Yahoo as a preferred source to see more of our stories on Google. Fresh air and sunlight have benefits for your mood and overall health. (Getty Creative) (Massonstock via Getty Images) Breaking ...

It was dusk not night, Dr. Michael Martinez insisted, as a group trail run was about to start last week at Lehigh Gap. That was good enough for me, coming from a St. Luke’s University Health Network ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...