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More than half of gun owners do not safely store all their guns, according to a new survey of 1,444 U.S. gun owners conducted by researchers at the Johns Hopkins Bloomberg School of Public Health.
 

Significant amounts of toxic metals, including lead, leak from some e-cigarette heating coils and are present in the aerosols inhaled by users, according to a study from scientists at Johns Hopkins Bloomberg School of Public Health.

Unprecedented involvement by humanitarian organizations in a conflict saved as many as 1,500 to 1,800 lives, both civilian and military, according to new report

The number of clinical trials funded by the National Institutes of Health has declined since 2005, and average trial sizes were observed to be smaller with only 10 percent of trials enrolling more than 500 participants.