*A 34-year-old machinist presents with hip pain that has been getting progressively worse over the past two months. There was no precipitating traumatic event. His father had spontaneous onset of similar pain and had to get a hip replacement.*

*which of the 3 statements are true?*

A. It was caused by alcohol

B. It is caused by wear and tear

C. This condition is familial

D. There is warmth on the side of involvement

E. Activity helps this condition

F. Probably related to previous trauma

G. It could be caused by corticosteroids

H. Radiation would help

I. It is a precursor to cancer