Positivity has all sorts of good effects - one major one being the sense of oneness it creates among people. Literally, your brain changes how it sees the world.

In a city of millions, it comes as no surprise that New Yorkers are experts are remaining aloof and non-responsive – we simply turn up the volume on our headphones, burrowing deeper into our paperback, and do our very best to avoid eye contact.

According to the two very famous studies, Whitehall I and Whitehall II, one's rank in class, status, or heirarchy at work or in life have a dramatic influence on lifespan.

Happiness doesn't just happen to you, you make it happen!