Fears about cell phones causing cancer persist despite scientific evidence to the contrary, with Health Secretary Robert F. Kennedy Jr. announcing a new investigation. Here’s what we know.

Fluoride in the drinking water; vaccine denialism; chemtrails; the “causes” of autism – basically, pick a health-related ...

U.S. health officials plan a new study investigating whether radiation from cellphones may affect human health.

Brain tumors are abnormal growths of cells in or around the brain. They can be primary (originating in the brain) or ...