Read the following passage and answer the question below. Regular physical exercise offers a wide range of benefits that extend well beyond simple weight management. Engaging in consistent physical activity strengthens the cardiovascular system, improves muscular strength and flexibility, and helps regulate blood sugar levels, thereby reducing the risk of chronic conditions such as heart disease and diabetes. Exercise also has a profound impact on mental health, as physical activity triggers the release of endorphins, chemicals in the brain that help reduce stress and improve mood. Numerous studies have linked regular exercise to lower rates of anxiety and depression, as well as improved cognitive function and memory retention, particularly in older adults. Health organizations generally recommend that adults engage in at least 150 minutes of moderate-intensity exercise per week to maintain good health. Despite these well-documented benefits, a significant portion of the global population remains largely sedentary, often due to busy schedules or lack of access to safe exercise environments. Question: According to the passage, what chemicals does exercise trigger the release of that help reduce stress?

Correct answer

B. Endorphins

The passage states that physical activity triggers the release of endorphins, which help reduce stress and improve mood.