Transcript text: 7. What is the recommended duration for each exercise session to achieve long-term brain benefits?
8. What is the main benefit of exercise on the prefrontal cortex?
9. How does exercise affect neurotransmitter levels in the brain?
10. What is the main message the speaker wants to convey about exercise and the brain?
a) Exercise is only beneficial for physical health
b) Exercise can cure neurodegenerative diseases
c) Exercise has immediate and long-term positive effects on the brain
d) Exercise is not necessary for maintaining brain health