Regular exercise provides numerous benefits for mental health. Studies show that physical activity releases endorphins, natural chemicals that improve mood and reduce stress. People who exercise regularly report lower levels of anxiety and depression compared to sedentary individuals. Exercise also improves sleep quality, which further enhances mental well-being. Additionally, group fitness activities provide social interaction and community support, contributing to better overall mental health.
What evidence best supports the claim that exercise provides "numerous benefits for mental health"?
- Physical activity releases endorphins, which are natural mood-improving chemicals in the brain.
- People who exercise regularly report lower levels of anxiety and depression than sedentary individuals. (correct answer)
- Group fitness activities provide valuable social interaction and community support for all participants.
- Exercise improves sleep quality, which contributes to enhanced mental well-being and health overall.
Explanation: Choice B provides the strongest evidence for numerous mental health benefits by comparing exercisers to non-exercisers and showing measurable improvements in anxiety and depression. Choice A explains one mechanism (endorphins) but doesn't demonstrate multiple benefits. Choice C focuses on one specific benefit (social interaction) rather than numerous benefits. Choice D mentions one benefit (sleep improvement) but doesn't show the range of mental health benefits.