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Home » Long Term Weight Loss » Anosmia, the loss of smell caused by COVID-19, doesn’t always go away quickly but smell training may help – The Conversation US

Editors note: Julie Walsh-Messinger is a clinical psychologist who studies the effects of long-term smell loss. Her research has focused on smell loss in people with serious and persistent mental illnesses, but since the beginning of the coronavirus pandemic, she has also studied smell loss caused by COVID-19. In this interview, she talks about how COVID-19 can affect your sense of smell, the effects of long-term smell loss and resources that can help.

COVID-19 is not the only virus that affects our ability to smell, but its unique in the way in which it does so. For example, the common cold causes an inflammatory response in the nose, and that builds up mucus which reduces your ability to smell, making it a muted sense.

Whats unique about COVID-19 is that it actually is not nasal congestion or that nasal inflammatory response that is causing the smell loss. The virus actually crosses the blood-brain barrier and gets into the nervous system. It affects the nervous system and the neural connections that are necessary to detect odor and interpret it.

COVID-19 affects the nervous system and sometimes results in profound loss or a complete inability to smell. Some people recover their ability to smell within a few days or weeks, but for some people its been going on for much longer. Scientists are still not sure how many people lose their ability to smell completely, a condition known as anosmia.

This is really taking its toll on the people who have not had their sense of smell, sometimes for months, or even upwards of almost a year at this point. It can have real consequences. For example, if you cant smell smoke, you are relying on a smoke detector to tell you theres a fire. It is also affecting quality of life. Food doesnt taste good anymore because how you perceive taste is really a combination of smell, taste and even the sense of touch. Some people are reporting weight loss due to loss of appetite, and theyre just not able to take pleasure in the things that theyve previously found pleasurable.

Our sense of smell is really important for daily functions. Theres research that suggests that our sense of smell can influence our attraction to certain people unconsciously. Its one of the ways in which we select mates who are less genetically similar to us, which can be an advantage for reproduction. It can also help us detect fear in others, which is important for survival.

It is a sense that subtly drives a lot of the decisions that we make on a daily basis but are not consciously aware of.

There are resources available to people who have smell and taste loss, though some of these arent just COVID-19 related. The Global Consortium for Chemosensory Research is a group of scientists who came together very quickly in the spring of 2020 to study the effects of smell and taste loss. You can participate in our research so we can learn more about whats causing this and how to deal with it. There are links to many other resources on the site.

There are also people and organizations doing smell training. Smell training is essentially smelling the same odors over and over so that you can retrain your bodys ability to detect and identify that odor. We are optimistic that the sense of smell will come back for some of the people who lose their sense of smell for several months. One of the groups that is involved in smell training is the nonprofit Abscent. It wasnt set up specifically for COVID-19 patients but has been a pioneer in smell training.

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Anosmia, the loss of smell caused by COVID-19, doesn't always go away quickly but smell training may help - The Conversation US

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Home » Long Term Weight Loss » Anosmia, the loss of smell caused by COVID-19, doesn’t always go away quickly but smell training may help – The Conversation US