The answer is D.
menstrual irregularity
Answer:
because some adults/ children watch movies with violence in them and thinks its okay to do that stuff like (etc. drugs, thief, fighting, and kidnapping)
Explanation:
D. Not touching your mouth, nose or eyes
I think smoking cessation would be the best as tobacco smoke results in many respiratory problems and eventually cancer. We have to minimize the main problem which may be smoking and then focus on dust, diagnosis etc.