Immunology

Atom bomb tests used to age the immune system

The pulse of environmental carbon-14 released by atom bomb tests in the early years of the Cold War has allowed researchers to understand how humans can still mount an immune response to diverse pathogens well into their ...

Overweight & Obesity

Obesity does slow people down, study confirms

(HealthDay)—Women who struggle with chronic obesity end up engaging in less and less routine physical activity, new research shows, confirming what may seem obvious to some.