I have no idea what is your question, or if you are just looking for confirmation, but this is true. Irritable bowel regards some physiological changes to the large intestines which are a major component of the GI tract.
Condoms make sexual activity safe from disease.
False.
I put in true and I got the answer wrong.
I'd say keeping the T cell count high because these are the cells that fight viral infections (HIV is one of them).
Answer:

Hope it helped,
Happy homework/ study/ exam!
Tobacco is the answer to your question
Some consumption of fish needs to be cut back to about once a week or eliminated completely because some fish contain high amounts of mercury. That is obviously something you don't want to be consuming while pregnant and/or breastfeeding. Some benefits of fish could be the nutrients, and its a lot healthier than eating beef all the time. Hope this helps.