An assistant chief will replace Tom Jackson; a Justice Department probe following the shooting death of Michael Brown had found serious problems in how the department operated.
The cause was complications of ALS. He is survived by his husband, Wash Westmoreland, who co-wrote and co-directed Still Alice. They are also known for their 2006 film Quinceanera.
The story, first reported by The Washington Post, is the latest scandal at the presidential protective service. A spokesman said the agency is aware of the allegations, which are being investigated.
Federal law requires publicly-funded medical researchers to promptly report the results of many experimental treatments. But few are doing so, a review shows, and patients may be hurt.
Trials are underway to see how effective a pill approved for HIV prevention in adults may be for teenagers. But some worry Truvada could end up encouraging reckless sexual behavior among young people.
A survey found that 36 percent of U.S. public schools bought food from local farmers during two recent school years. But a slightly greater number of schools served no local food at all.