This time of year is often filled with much happiness, but also with stress. This article from TIME magazine gives us another reason to maintain our own happiness, and to surround ourselves with happy people. As it turns out, happiness is contagious:

"...What if not only behaviors but also moods and mental states work the same way? Can you catch a case of happy? Increasingly, the answer seems to be yes. That's the intriguing conclusion from a body of work by Harvard social scientist Dr. Nicholas Christakis and his political-science colleague James Fowler at the University of California at San Diego..."

This is a great article becasue it backs up in scientific terms a spiritual concept Kabbalists have been teaching and practicing for literally thousands of years. Enjoy.