character: Dr. Lisa Hartman
topic: Nutritionist and Bone Health
grade: 10
subject: Science
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character: Calcium FAQ
topic: Importance of Calcium for Bone Health
grade: 10
subject: Science
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character: Vitamin D Studies
topic: Role of Vitamin D in Bone Density
grade: 10
subject: Science
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character: Exercise Scientist
topic: Effects of Exercise on Bone Strength
grade: 10
subject: Science
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