Sleep deprivation has been linked to an increased risk for conditions like heart disease, depression, diabetes and weight gain, and is believed to dampen the body’s immune responses.
Mad cow disease has no treatment, is invariably fatal and eating meat from a cow that had the disease can trigger a similarly dangerous disease in humans.
Retired NFL players who recalled symptoms of concussion during their careers performed worse on a battery of cognitive tests, a decline researchers said was similar to age-related drops in thinking and memory.
The White House, which claims the Trump administration could have detected fraudulent loans worth billions of dollars, says its anti-fraud push is separate from Republican investigations.
Beijing accused the U.S. of politicizing origin-tracing efforts in order to “smear” China following reports another intelligence agency believes the virus escaped from a Chinese laboratory.