What if doctors could tell you a disease was coming years before you felt a single symptom-and stop it in its tracks? That is the goal of a sweeping new research initiative launched by the Icahn ...

Fecal microbiota transplants may enhance patients’ response to immunotherapy, but experts caution that the latest data remain proof-of-concept and far from practice-changing.

What if doctors could tell you a disease was coming years before you felt a single symptom—and stop it in its tracks? That is ...