The first paper, written by a united group at the University of Wisconsin – Milwaukee, found preliminary evidence linking smoking during pregnancy to Asperger’s disorder and other forms of high-functioning autism. Two papers, written by researchers at the University of California – Davis, display that PCBs disrupt early brain development. The ultimate paper, also by a team at UC – Davis, suggests further exploring the hyperlink between pesticide autism and exposure.. CEHC develops list of ten chemical substances that donate to autism, learning disabilities An editorial published today in the prestigious journal Environmental Health Perspectives calls for increased research to identify possible environmental causes of autism and additional neurodevelopmental disorders in America’s children and presents a listing of ten target chemical substances including which are believed highly likely to donate to these conditions.Whatever causes systemic inflammation in the body may also affect the hip joint. The synovium is usually a lining cells that covers those elements of the hip joint not really included in cartilage. Synovitis , or irritation of this lining tissue, causes liquid to leak in to the joint, leading to swelling and discomfort. Osteoarthritis may be the most common cause of hip pain in those older than 50; however, other types of arthritis can be present. These may includerheumatoid arthritis,ankylosing spondylitis,arthritis connected with inflammatory bowel disease .Some systemic diseases are associated with hip discomfort, including sickle cell disease, in which a joint may swell during a sickle crisis either with or lacking any underlying infection.