Chapter 12, Problem 26RQ

Some nutritionists claim that the secret to long life is to be slightly underweight as an adult. If a persons weight is related partly to diet, partly to activity level, and partly to genetics, what underlying factors could be at work to generate statistics that support this claim?

If you were a dietician who had a young female patient with a family history of osteoporosis, what foods would you suggest she include in her diet? Why?

Which of the following is most likely to be released when blood calcium levels are elevated? a. thyroxine b. calcitonin c. parathyroid hormone d. vitamin D