Whether the therapy works — and if so, exactly how it works — isn't fully understood. Nor is the reason why COVID impairs the sense of smell to begin with.
(CNN) -- The Senate has reached a bipartisan deal to provide an additional $10 billion in COVID-19 assistance, less than half of what the White House originally had requested.
(CNN) -- Fewer people are hospitalized with COVID-19 in the United States now than at any other point in the pandemic, but hospitals and staff continue to feel the strain.