This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Adrenocorticosteroids in excess may cause: 
Select and explain. 
A. Osteoporosis, B. Osteosclerosis, C. Osteochondritis, D. None of the above
A: Osteoporosis
Answer: A: Osteoporosis 
Explanation: None