Earlier quoted context omitted.
Maybe a larger percentage of men are more competitive than women and are constantly trying to get a cutting edge, and are willing to even avoid eating to get a competitive advantage. I know I'm not. I like eating food, and taking a lunch break.
Back in college I was a weight lifter, and protein-sparing modified fasts weren't uncommon in the group I was in. Basically drink 1400 calories of protein and eat nothing else. Not low-carb, zero carb. You would do that until you cut your fat down enough to bulk again. It worked, and you lost weight quick. Let's not talk about the potential damage to your kidneys though... I did know some women in the group who would…
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1262767/
Although excessive protein intake remains a health concern in individuals with pre-existing renal disease, the literature lacks significant research demonstrating a link between protein intake and the initiation or progression of renal disease in healthy individuals.
or this
http://www.ncbi.nlm.nih.gov/pubmed/10722779
To conclude, it appears that protein intake under 2. 8 g.kg does not impair renal function in well-trained athletes as indicated by the measures of renal function used in this study