Enhanced-efficiency nitrogen fertilizers, the high-tech products marketed as a way to squeeze more grain out of every ...

Patients and doctors are eager for a noninvasive way to diagnose the disease, and several start-ups are offering new options.

Soma Mandal, MD, is a board-certified internal medicine physician with a specialty in women’s health. How long you are contagious with COVID-19 depends on your symptoms. On average, most people stop ...

The best at-home COVID-19 tests are FDA-authorized, easy to use, accurate, quick, and can also detect flu viruses. Lauren Paige Richeson is an Editor at Health, where she’s been writing, editing, and ...