Answer in the article.
It's true that overdose by prescription drugs is the leading cause of overdose deaths, but that's a trick: The CDC classifies all opioid pain reliever deaths as "prescription" opioid overdoses — whether or not an actual doctor or "prescription" was involved. Guess who's moved into the "prescription" drug business in a big way? That would be Mexico.
Docs kill more than guns.
A rather silly statement.
Check malpractice deaths at around 100,000 per year. My point stands on multiple bases.