(b) The department, in consultation and cooperation with a board-certified medical toxicologist, shall conduct epidemiological studies on veterans who have cancer or other medical problems associated with exposure to a chemical defoliant or herbicide or any other causative agent, including agent orange, or who have children born with birth defects after the veteran's suspected exposure to a chemical defoliant or herbicide or any other causative agent, including agent orange. The department must obtain consent from each veteran to be studied under this subsection. The department shall compile and evaluate information obtained from these studies into a report to be distributed as provided by subsection (a) of this section.