No direct link found between coffee drinking, heart trouble

Q. Does coffee drinking make one more likely to have hearttrouble?

A. This is difficult to answer unequivocally. Many researcherswho have looked into the coffee/heart attack question conclude thatthere is no direct link. Conclusions are confounded by the fact thatcoffee drinkers tend to be cigarette smokers, a fact that throws offresults.

Q. Is it true that a person with an implanted pacemaker cannotbe examined with magnetic resonance imaging?

A. Metallic implants rule out MRI. For example, the implantedheart pacers can be thrown into conflict with the magnetic forcesinvolved in the test.

Q. Is it possible for a 65-year-old woman to get …