José Luis Villegas/jvillegas@sacbee.com

Each day at 7:30 a.m. and 7:30 p.m., 9-year-old Michael Lee’s mother, Geena Lee, measures out exactly 6 grams of peanuts to give to her son, watches him to make sure he eats them and then observes him for the next hour to make sure he does not have an adverse reaction.

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