References

These are a list of sites that this website commonly uses for information.

https://www.nih.gov/
http://ezinearticles.com/
http://www.rei.com/
http://www.backpacker.com/
http://www.backcountry.com/
http://www.ems.com/
https://www.wikipedia.org/
http://www.cnn.com/
http://hubpages.com/