
A New Way to Think About Exercise with Katelyn O’Brien
From The Keep Up Show by Wilderness Athlete
April 30, 2026 · 50 min · Season 1 · Episode 6
About this episode
Katelyn O’Brien discusses the transformative effects of aerobic exercise on the brain and mental health.
Katelyn O’Brien is an expert in exercise and wellness, a certified holistic nutritionist, and customer service specialist. In this episode, Katelyn and Ethan discuss Spark: The Revolutionary New Science of Exercise and the Brain by John J. Ratey, M.D., and Eric Hagerman, which explores how aerobic exercise physically transforms the brain, improving mental health, cognitive function, and protecting against conditions like depression, ADD, addiction, and Alzheimer's. Be sure to like and subscri...
People in this episode
Host: Ethan
Guest: Katelyn O’Brien
Topics covered
- exercise
- wellness
- mental health
- cognitive function
- nutrition
- aerobic exercise
Keywords
- exercise
- brain health
- mental wellness
- cognitive function
- nutrition
- depression
- ADD
- addiction
- Alzheimer's
Mentioned in this episode
Books & works: Spark: The Revolutionary New Science of Exercise and the Brain
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