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A 1995 Connecticut law requiring a permit or license – contingent on passing a background check – in order to purchase a handgun was associated with a 40 percent reduction in the state’s firearm-related homicide rate, new Johns Hopkins research suggests.

Most Americans are aware that food waste is a problem, are concerned about it, and say they work to reduce their own waste, but nearly three quarters believe that they waste less food than the national average, new research suggests.

A report by researchers at the Johns Hopkins Center for a Livable Future, in collaboration with the Baltimore Food Policy Initiative, found that one in four of the city’s residents live in so-called food deserts with limited access to healthy foods.

The 50 hospitals in the U.S. with the highest markup of prices over actual costs are charging out-of-network and uninsured patients, as well as auto and workers’ compensation insurers, more than 10 times costs allowed by Medicare, new research suggests.