s pharmacological — in Neonatal ICUs a priority (Halima, 2003; Larsson, 1999). After the landmark, randomized-controlled dinical trial conducted at Boston Children's Hospital was published in JAMA over 13 years ago (Ms et al. 1994), many academic medical centers in the U.S. and E.U. began implementing individualized, "de

f boys. It's unclear what accounts for the variation, says sports medicine physician Kathryn Ackerman, co- director of the Female Athlete Program at Boston Children's Hospital. "We are still looking into it, trying to see if there are really genetic differences, differences in play, or differences in biomechanics, but we