Correct option is B
The correct answer is option (b).
Explanation: The passage clearly states that "exercise releases endorphins, chemicals in the brain that act as natural painkillers and mood elevators," which is a factual statement. This supports the idea that regular physical activity benefits mental health.
Other options are incorrect because:
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(a) – Incorrect. The passage contradicts this by saying mental health benefits come even from moderate activities like walking or yoga.
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(c) – Incorrect. The passage says exercise does reduce symptoms of anxiety and depression.
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(d) – Incorrect. It states that even moderate exercise helps with mental health, not just intense activity.