That answer is True, cancer can't be prevented but doing all of the things they describe helps a lot.
Okay, warning: (COULD BE WRONG) Just to help you out I think 3, 5, and 6, are correct. (COULD BE WRONG, YOU MIGHT GET A LITTLE CREDIT)
True. Prograf typically should be taken twice a day.
False. There can be other types of peer pressure as in good influences. Let's say your best friend always gets straight A's, has good manners, does sports, and follows rules. That kind of peer pressure is positive and can rub off on you.