The American Medical Association for the first time on Tuesday adopted a policy of calling gun violence a public health crisis, and voiced its support for gun control measures, including waiting periods and background checks for all gun purchases.

The AMA, the country's largest doctor group, also vowed to lobby Congress to overturn a decades old ban on gun violence research by the Centers for Disease Control and Prevention.

With approximately 30,000 men, women and children dying each year at the barrel of a gun in elementary schools, movie theaters, workplaces, houses of worship and on live television, the United States faces a public health crisis of gun violence, AMA president Dr. Steven Stack said in a statement.

The AMA's announcement came two days after the mass shooting at an Orlando nightclub that injured 53 people and killed 49.  Here's more from