There are lots of resources on both the web and at Gumberg to help you learn more about issues in veterans' health care. Here are some links, but note that many of the subjects can overlap:
The links below are websites that highlight veterans' physical health care issues and needs, as well as services providing help.
The links below are websites that provide information on veterans' mental health issues including PTSD and MST, as well as services offering help.
The below websites provide information on health care benefits for veterans.