NIHSeniorHealth.gov is a web site for older adults. NIHSeniorHealth makes aging-related health information easily accessible for family members and friends seeking reliable, easy to understand online health information. This site was developed by the National Institute on Aging (NIA) and the National Library of Medicine (NLM) both part of the National Institutes of Health (NIH). The web site's senior-friendly features include large print, short, easy-to-read segments of information and simple navigation. A "talking" function reads the text aloud and special buttons to enlarge the text or turn on high contrast make text more readable.