"Where You Live Determines What Kills You"

"Live in West Virginia or Kentucky? You're more likely than most Americans to die of heart disease, cancer or a drug overdose.

Residents of Arkansas, Louisiana, and Mississippi are most likely to succumb to diabetes, while people in the Rocky Mountain states of Idaho, Wyoming and Colorado have lower rates of both cancer and heart disease.

A new county-by-county breakdown of what kills people in the U.S. finds big differences."

Maggie Fox reports for NBC News December 13, 2016.