character: Professor Mark Stevens
topic: The Impact of Exercise on Brain Chemistry and Mood
grade: 9
subject: Science
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character: Dr. Emily Carter
topic: The Role of Neurotransmitters in Mood Regulation
grade: 9
subject: Science
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character: Coach James Thompson
topic: How Physical Activity Affects Mental Health
grade: 9
subject: Science
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character: Dr. Sarah Lee
topic: Exercise and Its Effects on Stress and Anxiety Levels
grade: 9
subject: Science
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