Slower aging
A study in the Canadian Medical Association Journal found that for pessimistic adults 60 and older, problems and mobility declined while performing day-to-day tasks. During this time of the study, people assessed as enjoying life at a medium or low level were about 80% more likely than their happier counterparts to have developed mobility and functional problems.
Beauty will shine from within.
Positive thinking will make you look more beautiful. It happens naturally: smiling, friendly and happy people are, somehow, extremely attractive. Your inner beauty will shine and will become visible on the outside, as well.