She switched doctors, and the new pediatrician referred her to a developmental pediatrician.

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Langsam, a former associate professor of biology at the University of North Carolina and Fischer, a retired developmental pediatrician, stir up vats of silky chocolate and handcraft it into mouth-watering truffles, barks, ganaches, and pastries in a state-of-the-art home kitchen.

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"I have been in this field for 25 years, and these last two years have been the most exciting in my career, " says Randi Hagerman, a developmental pediatrician at the MIND Institute at UC, Davis who is testing several of the drugs.

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