Answer:
Alcohol
Explanation: Alcohol in moderation isn't bad but when one starts drinking heavily it can be detrimental to one's health
Both females and males have 46 chromosomes. When they have children, 23 of each parents chromosomes go together to make 46 chromosomes so the child can live, without all chromosomes their can be health issues.
Breast feeding is better then bottle feeding because breast milk has more nutrition.
The answer you might be looking for is that, for one, she will feel guilt over not riding with her sister anymore, and that she might experience some health issues because she doesn't ride anymore with her sister. In order to avoid these consequences, Janna should look into other sports or activities that she can balance out with her job and her sister.
I believe the correct answer is 5 days a week are suggested in order to maintain your present fitness level.