Recent footage that is circulating online has reignited speculation about the health of Vladimir Putin after he appeared to cough and briefly struggle to speak during a meeting at the Kremlin. The ...

Cases of pertussis, commonly known as whooping cough, continue to rise in the U.S. New numbers from the Centers for Disease Control and Prevention (CDC) show nearly 18,000 cases through Oct. 5. While ...

Add Yahoo as a preferred source to see more of our stories on Google. Do you know what a dog coughing sounds like? It's the first symptom in most dogs who've contracted the mystery illness spreading ...

A video showing Russian President Vladimir Putin coughing during a speech was uploaded to the Kremlin's official Telegram account and then deleted after about four minutes, reigniting speculation over ...