Watch video above to see these stories on AZ Illustrated Science on Tuesday, Jan. 7:

COMING HOME FROM WAR: In the two-part segment, we explore what happens when veterans return home from war, and attempt to reclaim their lives as they suffer from PTSD and other consequences from their time in Iraq.

FISTULA TREATMENT FOR WOMEN: Dr. Bill Meyer, a Tucson surgeon, is spending time helping women in African recover from traumatic deliveries. Many of these women are not near a hospital or quality medical attention during lengthy births.

HIV/AIDS IN SOUTH AFRICA: A chat with Kristina Bishop, who studies HIV/AIDS and TB in southern Africa. Bishop also leads annual summer study abroad programs to introduce students to health care issues in the continent's south.

AZ Illustrated Science is produced by Georgia Davis. Contact her at gdavis@azpm.org.