Oct 30, 2023

Harvard Medical School pens an article that makes ServiceSpace work: What We Get When We Give

Gregory Fricchione, the Mind/Body Medical Institute Professor of Psychiatry at HMS and director of the Benson-Henry Institute for Mind Body Medicine at Massachusetts General Hospital, describes it as a release of “chemical juice.” When we help others, he says, neurotransmitters flow up in a tight bundle of axons called the medial forebrain bundle through the subcortex with “exit ramps to many of the important structures of the brain” — the fear-conditioning amygdala, the memory-forming hippocampus, and the motivation-moderating medial prefrontal cortex.

Numerous other processes may be implicated in the helper’s high, says Fricchione: pain-reducing endogenous opioids, endorphins, and perhaps even the neuromodulating chemicals that make up the endocannabinoid system. Then there’s oxytocin, the so-called affiliation hormone, which has plentiful receptors in the amygdala, where it helps suppress fear and anxiety.

[...] Evolution has provided us with the structures and functions that remind us that we survive better by cooperating as a group — not only when we’re seeking social support, but when we’re giving it. “How two people treat each other in one part of the city may relate to how two other people treat each other in another part of the city,” says Christakis, who now directs the Human Nature Lab at Yale University. In other words, he says, “altruism is contagious.” The kindness of individuals cascades, ultimately creating a stronger group that is better equipped to survive.

[...] A 2020 American Journal of Preventive Medicine study of nearly thirteen thousand volunteers over age 50 who were assessed over a four-year period revealed that those who spent more than a hundred hours per year volunteering had a 44 percent lower risk of mortality compared to those who did not volunteer, even after controlling for factors like stress, health behaviors, and personality traits.

[...] Acts of altruism can also burden the body. Caregiving, for example, can become an immense stressor contributing to myriad health issues. That’s why Post doesn’t think that altruism itself is the best medicine. “It’s not how much you do for others, but the kindness you pour into it,” he adds.