A global study finds that weekend habits like late nights, drinking and smoking may be linked to a newly identified sleep disorder called social apnea. NBC’s Dr. Natalie Azar joins TODAY to explain ...

Ahead of President Donald Trump’s and Russian President Vladimir Putin’s face-to-face meeting in Alaska, Trump issued a stern warning if Putin doesn’t agree to end the assault on Ukraine, saying there ...

In TODAY.com's Expert Tip of the Day, a cardiologist advises how to quickly reset during a stressful day to protect your ...