Quotes from human biting force related articles 

FORCE

“The range of human maximum bite force as reported in the literature to date is extremely large, ranging from 70 to 1200 Newton. (10 Newton are needed to lift 1 kilogram.) Although not proved by this study, most studies however confirm that the maximum bite force is gender biased. On the average, men have higher bite forces than women. This means, of course, that some men have bite forces lower than that of some women, and vice versa. Therefore the applications of average values to a specific case is misleading and not recommendable.”

EVOLUTION

“We interpret our results to suggest that human craniofacial evolution was probably not driven by selection for high magnitude unilateral biting, and that increased masticatory muscle efficiency in humans is likely to be a secondary byproduct of selection for some function unrelated to forceful biting behaviors. These results are consistent with the hypothesis that a shift to softer foods and/or the innovation of pre-oral food processing techniques relaxed selective pressures maintaining craniofacial features that favor forceful biting and chewing behaviors, leading to the characteristically small and gracile faces of modern humans.”

COGNITION

“The results of animal and human experimental studies suggest a causal relationship between mastication and cognition. Furthermore, correlations exist between mastication and activities of daily living and nutritional status. These findings have compelling implications for the development of prevention strategies by which medical and nursing staff may optimize their care for the frail and elderly, suffering from dementia.”