You may need to wear those anti-pollution masks whenever you go out as according to a recent study short-term exposure to air pollution may increase the risk of premature death in elderly especially women. According to Harvard T.H. Chan School of Public Health researchers short-term exposures to fine particulate air pollution and ozone -even at the levels well below current national safety standards - may increase the risk of premature death. The findings indicated that the risk was higher in elderly who were low-income female or Black. Senior study author Francesca Dominici said that this the most comprehensive study of