This earned health benefits due to a sense of happy that appears after doing rescue, then followed by a sense of calm. Removing the brain chemical called endorphin which gives a positive impact against the feelings become more happy and calm, and to make it more healthy.
People who often perform social assistance, will build the gratitude and tolerance towards fellow human beings. At the time of giving assistance to others, arises a sense of satisfaction that makes a person happier feelings.
In research undertaken researchers University of California Los Angeles (UCLA), United States in 2013 and then find the fact people are happy because helping others have a strong antibody genes.