http://www.achoo.com 

Achoo is a health site. It offers a keyword search complete with Boolean operators and search area (URL, site name, description, keyword) options. If you don't find what you want in its listings, you can click through to search Medline or the Merck Manual. 

http://pe.central.vt.edu

Get Fit With PE Central

http://www.amnh.org/explore/infection/

Infection, Detection, Inspection from the American Museum of Natural History

http://mctc.mine.tec.wv.us/health2.htm

A collection of numerous health related web sites.

Fitness

http://www.bennygoodsport.com/

http://library.thinkquest.org/12153/

Sports

http://members.aol.com/msdaizy/sports/locker.html

http://www.ballparks.com/

http://www.sikids.com/index.html

http://fiat.gslis.utexas.edu/~lewisa/womsprt.html

http://www.distrib.com/soccer/homepage.html