Smiling and laughing has been shown to reduce levels of the stress hormone cortisol. A study has shown that laughter can be linked to a decrease in heart rate, respiratory rate and blood pressure and researchers from Vanderbilt University in Tennesse estimate that laughing for ten to fifteen minutes a day can burn up to 50 calories.

This entry was posted on Sunday, March 1st, 2009 at 1:50 am and is filed under Quick Tips, Stress. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.