Urban Tanzanians have a more activated immune system compared to their rural counterparts. The difference in diet appears to explain this difference: in the cities, people […]
The number of patients with heart failure worldwide nearly doubled from 33.5 million in 1990 to 64.3 million in 2017. That’s the finding of a study […]
Your oral health is more important than you might realize. Like other areas of the body, your mouth teems with bacteria—and those bacteria are mostly harmless. […]
On Feb. 10, the Centers for Disease Control and Prevention released new mask guidelines based on a study of how mask fit affects the wearer’s exposure […]