Stressing our bodies through exercise can make us more resilient to a variety of stressors.
Resilience is the ability to bounce back from adversity — a career setback, a relationship breakup or any of the big and small disappointments of daily life — and grow from the experience so that we handle difficult situations even better the next time. Much of the research on resilience focuses on building the skill in childhood, but resilience can be strengthened at any age.
The goal of the study was to test whether regular exercise improved the individual’s response to stress, so the researchers had to come up with a way to re-create stress. They settled on a physiological stressor, inflating a blood pressure cuff to restrict blood flow in the forearm, which is considered a mild stressor mimicking what happens during a heart attack. Blood tests measuring the oxidative stress response followed.
One of Traustadóttir’s takeaways is that to build resilience, it’s not so much about what particular exercises are done, but doing them consistently.Why exercise can boost resilience As expected, the running mice showed higher levels of galanin. In fact, the more a mouse had run, the more of the brain chemical it had.
, a professor of human genetics at Emory University and the senior author of the study. “It can actually change the neurochemistry in your brain and promote general brain health.”, a professor of neuroscience at the University of Georgia, defines stress resilience as the “ability to adapt to stress in a way that’s not deleterious.”
The exercise Holmes studied in rodents is analogous to brisk walking by humans. The locus coeruleus neurons make substances called trophic factors, which promote the building of neural circuits. The stress-resilient parts of the brain get better, healthier circuits while activated, Holmes said.
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