Osteoporosis, an age related disease of skeletal system, may occue due to

Options

A. immune disorder affecting neuromuscular junction leading to fatigue
B. high concentration of `Ca^(++)andNa^(+)`
C. decreased level of oestrogen
D. accumulation of uric acid leading to inflammation of joints

Answer

C

Explanation

Osteoporsis is caused by decreased level of oestrogen. Oestrogen deficiency causes both the early and late forms of osteoporosis in past-menopausal women.
Osteoporosis is thinning or weaking of bones which makes them fragile and more likely to break. Women have low oestrogen level when they are transitioning through menopause. Hence, option(c) is correct.