The National Institutes of Health (NIH) announced the launch of an expanded health information Web site- http://health.nih.gov/.

The expanded site now offers links to a wider range of NIH's valuable resources, features, images to highlight an intriguing range of useful features, and gives readers the chance to test their health knowledge. Visitors can still access the popular "A to Z" listing of health topics, browse topics by body location/systems, or use the main "Search" box. Favorite health databases, such as Clinical Trials, MEDLINEplus, and PubMed, remain one click away, the release says.

"NIH is the nation's medical research agency, and has long been considered a highly trusted source of health information," said Dennis Rodrigues, NIH Web site manager.

The Web site includes three colorful new feature sections. "Healthy Lifestyles" highlights links to popular topics such as seasonal health concerns, nutrition and weight loss. "Research In Action" links users to cutting-edge scientific information on topics such as stem cells and genetics, and provides readers with an opportunity to meet scientists ranging from high school students to Nobel Laureates. "Now Online" emphasizes interactive features and Web exhibits, such as the Portion Distortion quiz, the Household Products Database, and the Milk Matters campaign.