Bernama: A first-of-its-kind rigorous multi-city study on the effects of air pollution on health in Bangkok, Hong Kong, Shanghai and Wuhan has found significant mortality effects of acute exposure to urban air pollution. Dr Frank Speizer of the Harvard Medical School and chairman of the Health Effects Institute’s (HEI) International Oversight Committee, said the study brought fresh local evidence that the substantially higher levels of air pollution in Asia were also associated with …