In Ab Exercise: City Living Can be Bad for Your Health | Places | English

Health risks associated with 21st century city living include overcrowding, poor air quality, indoor air pollution, respiratory problems and high population density. The vast majority of Americans live in cities and urban life carries special health risks. Overcrowding leads to greater stress, which can lead to violence, according to Dr. Jo Boufford, president of the New York Academy of Medicine. ...Ab Exercise