Oct. 11 -- America may have declared a new war against "terrorism," but it turns out that no one is all that sure just what "terrorism" is. That includes the U.S. government. "No one definition of ...

Prevalence rates of iron deficiency vary from 4.46% to 10.57% to 21.23% among women aged 25 to 54 years. (HealthDay News) — The prevalence of iron deficiency varies significantly with 3 different ...

Independence Day means different things to each of us. And on this 249th birthday for America, we're going to spend some time looking at different definitions of America by revisiting NPR's American ...

The lack of a standardized definition of long COVID is hindering research into the condition, according to a new study looking at published work from five different regions. Long COVID is a condition ...