Credit: The American Lung Association's 27th annual "State of the Air" report found unhealthy levels of ozone smog in the D.C. region.

Air quality improving, but ozone smog still at unhealthy levels in DC region, American Lung Association says

People living with dementia are often overlooked. This tour at the Berlin Zoo seeks to change that

What Make-A-Wish taught a doctor about healing

America 250: How preventive care became a cornerstone of American health

Climate doom and gloom? Try laughing instead. Activists embrace joy in the fight to save Earth

Exploring barefoot trails on 2 continents as a way to connect with nature this Earth Day