Answer the following essay questions (250-300 words,or approximately one typed, double-spaced page).
1. Define and discuss osteoporosis. Include in your discussion information on how osteoporosis develops; how age, sex, hormones, and genetics affect it; how activity affects it; and what dietary interventions can help prevent or treat osteoporosis.
2. Explain the difference between heme and nonheme iron. How can the efficiency of absorption be increased for both types of iron?