We all know that a smile is considered one of the main signs of a happy man.
However, scientists from the United Kingdom do not agree with this statement, and even experiments prove otherwise.
Recent scientific experiments have provided irrefutable evidence of a British scientist that the smile has absolutely no effect on the emotional state of a person.
That is, if you will often smiling, you can not because of this feel happy. But scientists know how to fix this situation. To improve the physical condition and state of health, you should try not only smile but laugh. That laughter is the factor that triggers the release of positive emotions and good mood guaranteed.Source: www.goodshelp.com