- By Deborah Balzer
Mayo Clinic News Network Headlines 3/13/15
March 13, 2015
In today's Mayo Clinic News Network Headlines with Vivien Williams:
- Vitamin D - when is it too much?
- Sleep study - brain waves can predict risk for insomnia (World Sleep Day March 13).
- Coconut oil - does it have a place in our diet?
Journalists: Video is available in the downloads. Click here for the script.