Today is International Day of Happiness. This day celebrated every year on March 20. Conceptualized and founded by Jayme Illien CEO of the United Nations New World Order project the aim is to promote happiness as a fundamental human right for all human beings. The theme this year is ‘Happiness for all’. Our gut is home to trillions of micro-organisms commonly called ‘gut microbiota’. Around two-thirds of these gut bacteria is unique to your personal make-up. This microbiota is essential for digestive health and our immune system. It protects us from diseases and it can even affect your behaviour. It