What makes us as happy as eating 2,000 chocolate bars?

A recent study in the UK sought to find out what factors make people happy and have what scientists have called "mood-boosting values." Through tests that evaluate brain images and heart rates, the researchers sought to measure the happiness level of a group of volunteers.

One exercise, however, surpassed all the things that usually make people happy. This particular activity gave participants the brain stimulation of those who would eat 2, 000 candy bars or receive news that they had made a good amount of money. What exercise is this? Smile.

=)

The truth is that showing our teeth out there is something that has the ability to improve our mood even when we are at a not very happy time. This was shown in another study, conducted in 2009, which showed that when we smile, the brain regions responsible for the sensation of happiness begin to activate.

Besides, smiling makes us live longer, you know? And who discovered this was a group of scientists from Wayne State University who, looking at old pictures of baseball players, came to the conclusion that those who appeared smiling the most had a life on average 7 years longer than those who were always serious.

Following this same line of analysis of old photos, UC Berkeley researchers analyzed photos from old textbooks and concluded that the width of the students' smile was related to the sense of well-being they felt - the people with the biggest smiles in their photos. college have become more successful, fulfilled, and happier adults.

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Smiling is also a way for other people to judge us better, as they consider us friendly and courteous when they find us smiling - and they think we are more competent people.

In percentage terms, the survey found that 14% of people smile less than five times a day and that more than 30% of people smile more than 20 times every day. Who smiles most among all people? The children, of course, even distribute almost 400 smiles a day.