Parosmia is a change in the normal perception of odors, like when the smell of something familiar is distorted, according to the National Institutes of Health (NIH).
Parosmia can also cause something that normally smells nice to smell bad.
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More than half of people who lose their sense of smell due to a virus will go on to have parosmia.
Although the exact reason parosmia occurs is unclear, the prevailing theory is that when the olfactory nerves (which connect your nose to your brain) are damaged by a virus, head injury, the connection between your nose and brain is broken.
When the nerves start to regrow, they may go to a different spot in the brain than before, resulting in a distorted sense of smell.
It depends. Everyone seems to have a somewhat unique experience, but in many cases, it’s not pleasant.
Some people with parosmia will experience the same unpleasant scent for a variety of things (so, lemons and coffee may both smell like garbage) while others will experience unique scents for different objects.
Parosmia is typically treated with something known as olfactory training or scent training, which involves inhaling a particular scent and thinking about what that scent should smell like. So, if you were inhaling the scent of lemon, you would try to remember what lemon smells like at the same time.
People who did scent training for six months showed “clinically relevant improvements” in their ability to accurately smell scents by the end of the trial.
Adults of any age with the following conditions can be more likely to get severely ill from COVID-19. Severe illness means that a person with COVID-19 may need:
Certain smells that are associated in our minds to events or locations from the past, trigger our memories to revisit them. This association of the past through the sense of smell works better and is more vivid than the sense of touch or sight.
Example: Smelling the pages of a new book may remind us of late-night reading as a kid.
Essential oils are absorbed by smell receptors (connected to the limbic system) which controls heart rate, blood pressure, breathing, and stress.
They carry the “essence” of the plant.
Each plant’s essence has a different chemical composition that affects its smell, absorption, and effect.
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