it could mutate to where the antibiotic no longer works
Explanation:
its fairly simple if a medicine, antibiotic in this case is not changed over time then the thing it is fighting will learn how to ignore it to where it no longer works as the species adapt and change the antibiotics must to otherwise there will be no effect.
<span>She is at an increased risk of osteoporosis. Girls who first experience menarche at later ages are more disposed to having a lowered bone density and osteoporosis later in life. This is due to having a reduced peak bone mass, which can increase the risks of fracture.</span>