A severe course of COVID-19 disease is not caused by the direct destruction of the lung due to the multiplication of the virus. As researchers from Berlin report in the journal Nature Communications,...

Scientists are closely watching the emergence of variants of the coronavirus that may be more infectious. The spread of troubling variants in different parts of the world, including in the U.S., is happening...

Massive “plumes” of glutamate, a key neurotransmitter, surging in the brain could help explain the onset of migraine with aura—and potentially a broad swath of neurologic disease, including...