Infection with HIV, the virus that causes AIDS, is serious. But the outlook for people with HIV and AIDS is improving. If you are infected with HIV, there are many things you can do to help ensure you have a longer, healthier life. One important thing is to take your medicines. Make sure you have a health care provider who knows how to treat HIV. You may want to join a support group. Learn as much as you can about your disease and its treatment. And eat healthy foods and exercise regularly — things that everyone should try to do.