Specific behaviors seen in infants can predict autism, new research shows
...ction and communication, and engage in repetitive, solitary activities. The complex nature of the disorder makes it difficult to diagnose. In the absence of any biological marker, clinicians have been typically forced to rely on parental reports, home videos and direct observations of behavior, using standa...RAND study shows solitary drug, alcohol and cigarette use puts adolescents at higher risk
... in itself, these findings suggest that risk among solitary users is especially high," said Joan Tucker, a RAN... cigarettes while alone, 17 percent had engaged in solitary drinking and 4 percent had used marijuana while alone. Prior research has found that adolescent s...