This is great article by Dr Mercola on how being happy can make us healthy. Read more at: MERCOLA.COM
The feeling of happiness – whether you equate it with optimism, joy, well-being, personal achievement or all of the above – goes hand-in-hand with healthier habits. People who are in good spirits tend to eat better, exercise more frequently and get better sleep than those who are not. This could be, in part, because leading a healthy lifestyle helps you achieve your goals, leading to happiness.
It could also be that such habits lead to better health, which in turn lends itself to a better mood and happiness. Beyond these rather common-sense associations, however, is intriguing research that suggests there’s something moreabout happiness that makes you healthy.
Beyond its tendency to occur alongside better eating, exercise, and other healthy habits, it appears a positive mental state may have a much more direct effect on your body.