The researchers were able to answer the question: are there any differences in the structure of the brain happy and unhappy people. As it turned out, there are differences. In some cases, on the computer tomogram it is possible to assume about the role of happiness for each individual.
Just experiment was attended by several dozen people. Their brain doctors scanned in the MRI machine. The received results scientists have correlated with the degree of happiness of volunteers. It turned out that happiness "is" in the parietal lobe on the inner surface of the cerebral hemispheres, this area of the brain called predlagam. The people happy breakline significantly larger in size.
To achieve optimism, scientists believe, through regular walks in the fresh air, chatting with dear people, and other pleasant activities. Size preclini can be increased at any age.