Scientists claim that people should smile or at least make an eye contact with the passersby more often. According to them, one short glance can change a lot in the lives of the surrounding people.

Test conducted with several hundred volunteers at Purdue University proved that only one glance is enough to create a feeling of connection towards the other one. However, it is the inhabitants of small towns for whom exclusion is the hardest issue. However, generally exclusion affects people’s health.

In particular the loneliness weakens the immune system and provokes dangerous arteries. Besides, it is enough not to consider stranger’s presence to make the stranger to feel bad, MedDaily reports.

At the same time, if a person meets the glance of another one and especially if the later smiles, the person feel herself or himself part of the society and feels better.