Hearing problems is a common pathology that occurs in more than 300 million people. Often it is associated with aging and wear and tear the eardrum and auditory bones, according Remedium. However, recent work by scientists at Harvard medical school says that excess weight can be one of the key factors in the development of deafness. Exercise, on the contrary, a positive effect on hearing.
Scientists conducted the study and analyzed the data, such as body mass index, waist women, percentage body fat and frequency of complaints regarding problems with hearing. It turned out that when BMI 30-34 frequency of occurrence of hearing loss has increased by 17%. If the index has exceeded 40, the risk was increased by 25%.