Jessica Nitardy, a Mexican dentist, says the majority of her clients are Americans who can't afford treatment in the U.S.
Athletes and civilians alike are worried about contracting diseases in Brazil's feces-laden bay.
How a welfare program designed to slash poverty ended up improving women's rights.
How college education, housing, and transit affect the health status of Americans.
Very few people in Boston are uninsured, but there are huge swathes of them all over Dallas.
Each region of the U.S. has the same four most common complaints, just in a different order.
Living in an urban area might mitigate the effects of loneliness, a new analysis suggests.
How California and Virginia can be as different as Liechtenstein and Brunei
The problem with increasing health-oriented restrictions on what can be purchased.
The legacy of apartheid, in technicolor.
How Berlin's iconic Ampelmännchen were born and saved from destruction.
A new meta-analysis finds that extreme changes in temperature increase the likelihood of inter-group conflict.
Religious groups can be capable -- and sometimes incredibly deft -- at policing extremists within their own ranks.
One of the stranger aspects of Africa's rapid urbanization is the influx of livestock in new, unplanned towns -- and the diseases they bring with them.