I have a question about this episode Dr. Wendy Suzuki: Boost Attention & Memory with Science-Based Tools | Huberman Lab Podcast #73 and this Exercise and Brain Health How does exercise change the brain?
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Exercise has significant effects on the brain, primarily by enhancing cognitive functions and mental health through various neurochemical processes. Here are key insights on how exercise changes the brain:
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Neurochemical Release: Exercise, especially aerobic exercise, induces the release of several neurochemicals such as dopamine, serotonin, and noradrenaline. These chemicals enhance mood and cognitive functions. Additionally, brain-derived neurotrophic factor (BDNF), a growth factor released during exercise, promotes the growth of new neurons in the hippocampus, which is crucial for memory and learning 1 2.
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Mood and Cognitive Boost: Regular physical activity improves mood and reduces symptoms of depression and anxiety. It also enhances cognitive performance, including attention and memory. Studies have shown that even short bouts of exercise, like a 10-minute walk, can improve mood and cognitive function, providing a "neurochemical bubble bath" for the brain 2.
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Immediate and Lasting Effects: The benefits of exercise on the brain are both immediate and sustained over time. After a single session of exercise, improvements in mood and cognitive function can last for up to two hours. These include enhanced prefrontal cortex function, better reaction times, and reduced anxiety and hostility 3.
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Resistance Training: Apart from aerobic exercise, resistance training also positively affects brain health by supporting neural circuitry. It helps in maintaining and potentially improving brain function, counteracting age-related decline 4.
Exercise triggers complex biochemical pathways that not only maintain but also enhance brain function, making it a powerful tool for improving cognitive health and overall well-being.
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