"A.S.H. is the nation's oldest and largest antismoking organization, and the only one which regularly takes hard-hitting legal and other actions to fight smoking and to protect the rights of nonsmokers"... find out more by visiting this website.

"AIDSinfo is a U.S. Department of Health and Human Services (DHHS) project that offers the latest federally approved information on HIV/AIDS clinical research, treatment and prevention, and medical practice guidelines for people living with HIV/AIDS, their families and friends, health care providers, scientists, and researchers..." read more by visiting this site.

"Our mission is to reduce disability and death from cardiovascular diseases and stroke. That single purpose drives all we do. The need for our work is beyond question."  Find out more by visiting this site.

The mission of the American Lung Association is to prevent lung disease and promote lung health.

"The Children's Medical Services (CMS) Branch provides a comprehensive system of health care for children through preventive screening, diagnostic, treatment, rehabilitation, and follow-up services. The CMS Branch carries out this mission through a variety of programs meeting specific health care needs of targeted population..."

"The Centers for Disease Control and Prevention (CDC) is one of the 13 major operating components of the Department of Health and Human Services (HHS), which is the principal agency in the United States government for protecting the health and safety of all Americans and for providing essential human services, especially for those people who are least able to help themselves..." read more by visiting this site.

"Hantavirus pulmonary syndrome (HPS) is a deadly disease transmitted by infected rodents through urine..." read more by visitng this site.