Bursitis can affect many joints and can be caused by a numerous sporting activities, such as cycling, tennis, and long-distance running. Explain what bursitis is and what characteristics the mentioned sporting activities have in common? (Site 1)

When we overuse a joint, the bursae become inflamed, resulting in bursitis, a condition in which the bursae lose their function and the movements become painful. Excessive use of some joints can cause bursitis in sports like cycling, tennis, and long-distance running.

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.

i believe it is true.