Is happiness contagious? Scientists at Tübingen University tracked emotional responses on Facebook in Germany and the US and discovered that reading a positive post triggered happiness in 64% of people! Not on social media? No worries. Smiling, giving an authentic compliment, making a gratitude list, volunteering at a local charity, buying a stranger a cup of coffee, or giving someone a hug are genuine ways to spread happiness on a daily basis.
Information provided by: https://www.inc.com/john-rampton/is-happiness-contagious-how-to-make-it-go-viral.html