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American scientists from the University of Iowa found out why men need big noses. In their opinion, the size of male noses directly related to the need for oxygen, which is much more than women, reports Gazeta.ru. Scientists believe that this the connection is due to the muscle mass of men, which is significantly superior to women and requires more energy and oxygen. Besides In addition, researchers directly link nasal growth and sexual maturation: it is at the age of 11 that the boys begin a significant muscle and nose growth, while in girls such process is not observed.
