What is a pulmonary embolism, the condition that led to Catherine O’Hara’s death?

Catherine O’Hara’s death from a pulmonary embolism has drawn attention to this serious condition in which a blood clot lodges in the lungs. Dr. Leana Wen explains.

7 Things That Do—and Don’t—Settle an Upset Stomach

Here, Dr. Newberry and Dr. Ashar break them down. It’s important to note that there’s not a whole lot of research on treatments for an upset stomach, Dr. Ashar says. Part of the reason for this is, as ...