Here're a list of trusted sites for those question un-answered yet.
(This sites are for educational purposes only)
www.nlm.nih.gov/medlineplus
www.fda.gov/
www.nih.gov/
www.thorne.com/altmedrev/
www.newscientist.com/news/
gateway.nlm.nih.gov/gw/Cmd
http://www.sportsci.org
www.jci.org/
www.sciencekomm.at/advice/full-text.html
chid.nih.gov/
chemfinder.cambridgesoft.com/
www.worldhealthnews.harvard.edu/
www.sportdiscus.com/
www.cspinet.org/
www.smi.stanford.edu/pubs/index.html
highwire.stanford.edu/lists/largest.dtl
www.scirus.com/
www.pubmed.com
www.chemindustry.com/chemnames/
www.cnn.com/HEALTH/
navigator.tufts.edu/
www.endocrinology.org/default.htm
:afro:
