>> jamie: we're tight on time because you have a lot of topics. a lot of medication have some aspirin in it, migraine medications, they might have some aspirin that is equivalent to the low dose and should you check that, first before you also take a low-dose aspirin. >> people with migraines are not on constant medication and if you are constantly taking a pill that has aspirin in it, that is fine. >> jamie: does the same thing, don't double up. >> doesn't matter where the aspirin is, as long as you get 81 milligrams a day that is apparently -- remember, colon cancer is the second most common cancer in people. >> jamie: thank you, doctor. >> eric: from aspirin to tylenol, there is important new information about children's tylenol and childhood asthma. is there really a link? dr. rosenfeld will have the specifics and details on that, when we come back, with "sunday house call," here, on the fox news channel. [ engine revs ]