Regular physical activity could cut need for hospital readmission for lung disease, study says

Many cases may be going unreported, consumer advocacy group adds

But scientists aren't sure why dementia seems linked to fewer malignancies

Study found women who ate the most saturated fat were more likely to develop tumors

Regular physical activity could cut need for hospital readmission for lung disease, study says

Preliminary finding might eventually offer clue to which women would benefit from early screening

Findings suggest new way to prompt body to burn extra energy

Study found those who had trouble hearing became more socially withdrawn than others their age

Daily drinkers had reduced risk of the most common form of liver malignancy, but researchers can't say why

Preschoolers, infants performed better on language experiments after brief sleep