character: Dr. Emily Chen
topic: Vitamin D and its Impact on Bone Density
grade: 11
subject: Science
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character: Dr. Sarah Rodriguez
topic: Calcium's Role in Bone Health
grade: 11
subject: Science
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character: Dr. Mark Thompson
topic: Osteoporosis: Causes and Prevention
grade: 11
subject: Science
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character: Dr. Lisa Nguyen
topic: The Importance of Nutrition for Bone Growth
grade: 11
subject: Science
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