Enlarge Image Monkey business. Young rhesus monkeys that receive human antibrain antibodies in utero act oddly in social situations. Credit: Nancy Collins/Creative Commons "Antibrain" antibodies that slip through the placenta from mother to fetus during pregnancy may account for roughly a quarter of autism cases, a new study suggests. Some scientists say the work could lead to a blood test that accurately predicts whether a mother will bear a child with this immune-triggered form of the disorder—a claim that's raising eyebrows among skeptics. Autism spectrum disorder (ASD), a range of communication and social deficits estimated to affect 1 in...
