A numbing procedure usually used to treat pain and post-traumatic stress disorder is being tested as a way to restore smell and taste in people with long Covid. It's called a stellate ganglion block.

A painless anesthetic shot deep inside the neck improved symptoms in 6 of 10 patients one week after treatment, a recent study found. Now research shows a promising way forward to restoring the ...

Their coronavirus infections had cleared up, but the patients were met with a grim reality: Scents that were once pleasant had suddenly become foul. Sautéed garlic and onions smelled like rotting ...