laughter

Facebook also knows if you live in Haha Land or Hehe Country.
Why we chuckle, giggle and guffaw is more complicated than that.
Washington's Sibley Memorial Hospital has a whole program dedicated to laughter.
Many of society's favorite psychoactive compounds, both legal and illegal, work by hijacking our own neurotransmitters and brain receptor sites. In other words, they aren't creating something out of nothing -- they only work because our brains are set up to get high and feel pleasure.
A lot of people make gratitude part of their daily practice and count the same blessings. Believe it or not, there is a such a thing as a gratitude rut. What is something you have never been thankful for before in your life?