Air pollution, a well-known adversary to respiratory health, has long been associated with a range of ailments such as heart disease, lung cancer, and emphysema. Now, a recent study from the Harvard Chan School of Public Health has added another troubling dimension to the list of potential health risks linked to air pollution: an increased risk of dementia and Alzheimer's … [Read more...] about New study reveals troubling factor that can increase the risk of dementia: ‘The effect could actually be quite large’