Article snippet: In the wake of another background checks or ban certain types of guns typically don't get very far. Here’s a look at five common reasons lawmakers say they don’t support such efforts and some facts behind the issues: “It’s not about guns - it’s about mental health” President new ABC News/Washington Post poll found that 77 percent of Americans say better mental-health monitoring and treatment could have prevented the shooting in Parkland last week. But research does not support a link between being diagnosed with a mental health disorder and an increased risk of committing a violent crime, according to experts in the field. Daniel Webster, director of the Center for Gun Policy Research at Johns Hopkins University, said that talking about "mental health" alone is way too broad. "Mental illness when you think very broadly affects nearly 1 in 5 adults, it encompasses so many different things and its way too large of a net to cast to say everybody with a mental health problem is violent or likely to be violent," he said Tuesday. Current federal regulations say that anyone who has been involuntarily committed to a mental institution or found not guilty of a crime by reason of insanity cannot legally possess a firearm. Fewer than 5 percent of gun-related killings between 2001 and 2010 were committed by people diagnosed with a mental illness at the time, according to a 2015 National Institutes of Health article. Webster said that while there have been som... Link to the full article to read more