How to keep coronavirus fears from affecting your mental health

Coronavirus! Yes, it's a serious situation, and yes, it deserves your vigilance and attention. But the constant spring of information, precautions and warnings, whether it's straight from the CDC or some recirculated, dubiously-sourced post on Facebook, can take a real toll on your mental health. When does caution become overreaction? When does staying informed cross the line into, well, too much information?