Fad diets can cause many problems, including which causes brittle bones.
a. ketosis
b. dehydration
c. reduced endurance
d. osteoporosis

D. osteoporosis.

Explanation:

Brittle boned are developed due to calcium deficiency, a characteristic of the osteoporosis, a disease that affect old age people. The right option is D.

just put in mind that others aren't perfect. we all have problems that we feel makes us low of the low. but know that you are special and unique, that is what makes you out of this world : ). you might think and feel that others judge you, but mostly other people are scared if people judge them. just be happy, spend time with family, smile because that is the greatest medicine. a happy life. hope this : ))

you would need to check her bp before and after her activity.