Of course any research that shows the proliferation of guns in the USA is a bad thing or has resulted in a massive number of gun deaths compared to other countries is biased. /S
The CDC and NIH were prohibited from funding studies on the effects of gun violence for years because the 2A politicians knew any research would show how easy access to and mass ownership of guns is bad by every measure possible.
Lifting of federal funding ban tied to increase in gun violence research < Yale School of Public Health.
