Autism and Obesity: Genetic and Behavioral Links

Nicholas Bavaro has always been bigger than his twin brother. He was nearly a pound heavier than Christopher at birth, and by the time the boys hit their first birthday, their mother, Lynette, had noticed other differences, too. Christopher babbled, made eye contact, and pointed as he toddled around the family’s home in Long Island, New York. Nicholas did not—and was soon diagnosed with autism.