(Liao Pan/China News Service via Getty Images).
About 4% did not regain their smell at all, and about a third said they lost some ability to distinguish between scents.(David Santiago/Miami Herald/Tribune News Service via Getty Images)
The Guardian’s report said the research has not been peer-reviewed but about 65% of people who recovered showed some long-term impact on their sense of smell"Given the amount of time since [the] initial insult to the olfactory system, it is likely that these olfactory problems are permanent," the researchers said, according to the paper