Pharrell Williams was on to something when he started singing “Happy”

Improving your health involves not only eating right, exercising, drinking your water and getting enough sleep, it also means doing things that make you happy. Harvard School of Public Health associate professor, Laura Kubzansky, lead a study of 6,000 men and women ages 25 to 74 for 20 years and “found that emotional vitality-a sense…

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