Did you know that smiling can boost your mood and even your immune system? Or that smiles don’t create wrinkles?
“Every time you frown, you’re unnecessarily exhausting 43 facial muscles, while smiling only uses 17 muscles. Some studies show that beaming can benefit your blood pressure levels. Add a laugh and you’ll also slim your middle — the movement exercises your abs, diaphragm, shoulders and heart. Scientists at Vanderbilt University found that laughing can stoke your calorie burn by up to 20 percent.”
Source: Completely You, The guide to looking great and feeling great