lunedì 30 novembre 2015

NYT Science: Yawning and the Tears That Follow

Yawning and the Tears That Follow
By C. CLAIBORNE RAY

Yawning often increases the secretion of tears because of muscular tension, and it can cause a runny nose, too.

Published: December 1, 2015 at 06:00AM

via NYT Science http://ift.tt/1lUK95a