Health Sciences Online (HSO) is a non-profit online health information resource that launched in December 2008. The website hosts a virtual learning center providing weblinks to a collection of more than 50,000 courses, references, textbooks, guidelines, lectures, presentations, cases, articles, images and videos, available in 42 different languages. The content includes medicine, public health, nursing, pharmacy, dentistry, nutrition, kinesiology and other health sciences resources.