Damn, I love it when science proves that we are right....
According to this, most adults need 45 - 60 gm protein and at least 78 gm a day to preserve muscle mass. Hmmm.......our docs know what they are talking about. 
http://www.huffingtonpost.com/2012/01/04/protein-body-fat-diet-_n_1183516.html?icid=maing-grid7%7Cnetscape%7Cdl18%7Csec3_lnk3%26pLid%3D124797

http://www.huffingtonpost.com/2012/01/04/protein-body-fat-diet-_n_1183516.html?icid=maing-grid7%7Cnetscape%7Cdl18%7Csec3_lnk3%26pLid%3D124797

...though she be but little, she is FIERCE...
A Midsummer Night's Dream