Why We Hate Science
It can't make up its mind about what's good and bad for us. On the other hand, it occasionally brings tough choices into fairly clear relief: if you're thinking of moderate drinking (less than 3 drinks a day for women) it's really a question of whether you want to lower your chances of heart disease (drink!) or lower your chances of breast, liver and rectal cancers (don't drink!), or lower your chances of thyroid cancer or non-Hodgkin's lymphoma (drink, but just a little bit!) Sign up accordingly, I guess.
If you want to know which concern to be most freaked out about, apparently, look to the rest of your family to see where the genes say you are headed.