Air pollution, especially its tiniest particles, has contributed to a 30% global rise in heart-related disabilities and death since 1990, a new study has found. The pollution connection affected men more than women, while poorer regions of the world were hit harder that wealthier areas, researchers said in the study published Wednesday in the Journal of the American Heart Association. The most notable culprit, particulate matter pollution, shows up outside in dirt, dust, soot or smoke from coal- and gas-fueled power plants, vehicle emissions, agriculture, dust, pollen and wildfire smoke, while...