Apicella shows that the men with the lower pitched voices possibly had higher testosterone amounts, which attracted them even more to females or produced them more attractive to them. Apicella says additionally it is a chance that guys with higher testosterone amounts start reproducing previous in life and could also become better hunters. An improved hunter would bring more food home, allowing their wives to possess shorter intervals between births. Group and Apicella gleaned small from the interviews with the ladies but say it’s possible, if vocal dimorphism progressed partly due to mate selection, that previously men and women had more similar voices..Groshong, M.D., Ph.D., Christopher M. Evans, Ph.D., Stavros Garantziotis, M.D., Kenneth B. Adler, Ph.D., Burton F. Dickey, M.D., Roland M. Du Bois, M.D., Ivana V. Yang, Ph.D., Aretha Herron, B.A., Dolly Kervitsky, B.A., Janet L. Talbert, M.S., Cheryl Markin, B.A., Joungjoa Park, B.A., Anne L. Crews, B.A., Susan H. Slifer, Ph.D., Scott Auerbach, Ph.D., Michelle G. Roy, B.A., Jia Lin, B.A., Corinne E. Hennessy, M.S., Marvin I. Schwarz, M.D., and David A. Schwartz, M.D.: A Common MUC5B Promoter Polymorphism and Pulmonary Fibrosis The evidence that there surely is a genetic basis for idiopathic interstitial pneumonia is substantial, with familial aggregation confirmed through studies in twins, siblings apart raised, and multigenerational families.1 Interstitial lung disease has been associated with several pleiotropic genetic disorders.2 The development of pulmonary fibrosis has been connected with private mutations in surfactant protein C,3 surfactant proteins A2,4 and genes that maintain telomere size.5 However, collectively these mutations take into account a small proportion of the populace risk of idiopathic interstitial pneumonia.