31.   But a stint at a Nashville hospital persuaded him that medicine was too bloody for him.

32.   But for healing the medical symptoms of heroin addiction, Salsitz equates methadone with what insulin is for diabetics and other medicines are for high blood pressure.

33.   But for many voters, the medicine is still too bitter.

34.   But life-saving medicine is not just another commodity.

35.   But matters are not quite that simple, for medicine is not just like other goods.

36.   But new, more powerful medicines are generally more expensive to develop, they say, so the solution is to expand insurance coverage.

37.   But now that there are medicines to fight cancer, infections, mental illness and neurological disorders, the blood-brain barrier has turned into a mixed blessing.

38.   But now, she said, some are discovering that conventional medicine is not a panacea.

39.   But regenerative medicine is not just more of the same.

40.   But modern medicine is largely impotent in the face of the insidious germ.