Researchers at Edinburgh University studied fraternal and identical twins and found that genetics are responsible for about half of our happiness. That includes traits, like being laid-back, as well as the creation of chemicals the human body uses to influence happiness: endorphin, serotonin, dopamine and oxytocin.
About the Author: Dr Ramesh Manocha
Dr Ramesh Manocha MBBS BSc (med) PhD is a GP, educator and researcher. His PhD was completed at the Royal Hospital for Women and focused on the scientific evaluation of meditation and the mental silence experience. Ramesh is currently a senior lecturer at the Department of Psychiatry at Sydney University and is also the founder and convenor of Generation Next, a national circuit of professional development seminars for education, health and welfare professionals.