A Canadian study finds that 10 extra trees per city block made people feel as healthy as if they were seven years younger.

HEALTH
Your morning cup o' joe can give you more than just a caffeine buzz.
There's a word for that pins-and-needles sensation: paresthesia.
Researchers are studying whether technology use is connected to depression, anxiety, and other issues.
Nine out of 10 people with Parkinson's report a decreased sense of smell.
Due to changing health guidelines, you may not be fully immunized if you were born before 1989.
Dr. David Mischoulon, director of research at Massachusetts General Hospital's Depression Clinical and Research Program, sets the record straight about antidepressants.
They can smell cockroaches the second they walk in the door.