これ、おもしろいな。また詳しく読むことにしよう。
(Research paper: Dynamic spread of happiness in a large social network: longitudinal analysis of the Framingham Heart Study social network)
(Research paper: Detecting implausible social network effects in acne, height, and headaches: longitudinal analysis)
(Editorial: Happiness, social networks and health)
Happiness really does rub off - a person's happiness depends on the happiness of others with whom they are connected, finds research published on bmj.com today.
Happiness is not just an individual experience or choice, but is dependent on the happiness of others to whom individuals are connected directly and indirectly, and requires close proximity to spread, say the authors. For example, a friend who becomes happy and lives within a mile increases your likelihood of happiness by 25%.
