A new report shows the brains of autistic children, who suffer from the disorder tied to a combination of contributing factors from genes to the environment, have differences in regions that develop during the mother's second trimester of pregnancy.
Complement component 4 is a blood test that measures the activity of a certain protein that is part of the complement system. The complement system is a group of proteins that move freely through your bloodstream.
The Chromogranin A (CgA) blood test is a good marker to help detect and monitor the activity of carcinoid tumors in general. This includes carcinoid tumors that secrete certain hormones that are associated with carcinoid syndrome as well as carcinoid tumors that do not cause carcinoid syndrome.