I would say E as it has to do with nutrition and dietetics and they would be registered.
You want to be able to treat the disorder before it gets too bad and irreparable. If you figure out whats going on and what food or substances are causing the issue, you can avoid those and take other precaustions as well.
Across:
3) cancer
4.) sexual
5.) condoms
6.)
8.)
11.) Gardasil OR Cervarix
12.)
13.) used
14.) herpes
15.) treatable
16.) abstinence
DOWN:
1.) False
2.) mother
5.) chlamydia
7.) N/A (question is not feasible)
9.) True
10.) since i cannot see the cross word puzzle box, i cannot answer this particular question correctly
11.) Chlamydia ?
Carrie should not make changes unless a medical professional advises it.