Dear Doctors: I’m getting a lot of advice during my pregnancy. Some of it is useful, but there have been a few old wives’ tales mixed in. A friend says you’re supposed to save your children’s baby teeth because they’re a source of stem cells. Is this really true?
Dear Reader: Braving a wave of unsolicited (but well-meaning) advice is one of the rites of passage of pregnancy. Family, friends and eve…
