At Her Regular Gynecological Examination, a Woman Tells the Nurse

At her regular gynecological examination, a woman tells the nurse that she is concerned about osteoporosis. The nurse could suggest to the patient to:

A) Take a vitamin E supplement daily
B) Do isometric exercises that can be practiced every day
C) Include more dairy products and green, leafy vegetables in her diet
D) Try to limit her intake of caffeine