The NIH is picking up Robert F. Kennedy Jr.’s argument that a healthy immune system can keep even pandemic germs at bay.

Health Secretary Robert F. Kennedy Jr. has upended medical research and public health in the U.S. in many ways. One of the ideas that could be influencing his overhaul of federal health agencies dates ...

First confirmed in the 19th century by scientists like Louis Pasteur and Robert Koch, germ theory replaced older beliefs about why people become sick—like the idea that noxious fumes, an imbalance of ...

When cholera ravaged Hamburg in 1892, politics — not science — drove the response. Over a century later, as we confront modern “epidemics” of obesity, chronic diseases, measles, and COVID, the ...

Health Secretary Robert F. Kennedy Jr. apparently embraces the outdated "miasma theory" of disease instead of the widely accept "germ theory" of... Ancient miasma theory may help explain Health ...