Changes

===Nutrition===

===Nutrition===

Adult humans need a minimum of 1 gram of protein for every kilogram of body weight per day to keep from slowly breaking down their own tissues. Failure to receive enough protein can cause stunted growth, loss of muscle mass, decreased immunity, weakening of the heart and respiratory system, and eventually death. <ref> http://cgi.4chan.org/gif/src/1199820569867.gif </ref>

Adult humans need a minimum of 1 gram of protein for every kilogram of body weight per day to keep from slowly breaking down their own tissues. Failure to receive enough protein can cause stunted growth, loss of muscle mass, decreased immunity, weakening of the heart and respiratory system, and eventually death. <ref> http://www.usda.gov/ </ref>

There are two types of the standard 20 amino acids embedded in the [[genetic code]]: ''essential'' and ''non-essential''.

There are two types of the standard 20 amino acids embedded in the [[genetic code]]: ''essential'' and ''non-essential''.