The scientists also discovered differences in the gray matter in various parts of the mind between girls and boys among those with autism and more serious repetitive symptoms. ‘Our findings suggest that the brains of young ladies with autism are structured differently from those of males with autism, and that some of these differences are associated with sex differences in behavioral impairments that characterize autism,’ Supekar said. This discovery may have implications for differences in treatments for autism predicated on brain structure variations between your sexes, said Mayra Mendez, of Providence Saint John’s Child and Family Development Center in Santa Monica, Calif.Agencies to get a clearer picture of the risk linked to the medicines after the 2006 advisory panel hearings. Related StoriesCombatting viral and bacterial lung infections with volatile anesthetics: an interview with Dr ChakravarthyGood rest patterns are good for your heartStudy links antibiotic use during childhood to weight gainThe study in JAMA compared about 150,359 adult users of ADHD medicines between 25 and 64 years old to nearly 300,000 nonusers. Researchers reviewed medical information from four health insurance plans to look at the number of serious cardiovascular occasions such as sudden cardiac death, heart attack and stroke among both combined groups.