People who carry a gene that's associated with Alzheimer's disease may lose their sense of smell long before memory and thinking problems occur, a new study suggests.
This early sign of potential dementia is not seen in people who don't carry this gene, called APOE e4, ...
Dogs can sniff out and track someone based on their scent, a trait that has aided scores of criminal investigations.
Laboratory scientists working with human odors report that a new discovery may also further crime solving: They've determined that the scents of women and...
Researchers have found significant new evidence of a link between a decreased sense of smell and the risk of developing depression later in life.
Known as hyposmia, or at its most profound, anosmia, the condition has been associated previously with Alzheimer's disease in...
COVID caused more than 20 million Americans to lose their ability to smell and taste, and at least 25% haven't regained those vital senses, a new study says.
Survey responses from nearly 29,700 adults also show a correlation between more severe COVID infection and t...
One of the signature symptoms of COVID-19 infection in the early months of the pandemic was a loss of the sense of smell.
Now, new research finds that is no longer the case, thanks to the new variants that have been circulating more recently.
The risk of losing se...
Doctors already test seniors' hearing and vision. Sense of smell could be added to screenings one day, according to researchers who found links between its loss and risk of frailty in older adults.
"We use our sense of smell to identify the threat of a fire or to enjoy t...
One of the hallmarks of a COVID-19 infection has been a lost sense of smell after the infection ends.
In a new study, researchers blame an ongoing immune assault on the olfactory nerve cells -- cells found at the top of the nasal cavity -- and a decline in the number of ...
One of the most disturbing symptoms of COVID-19 has been the sudden loss of taste and smell.
Worryingly, some people don't regain these senses after recovering from their infection, raising the question of whether they'd ever again be able to taste and smell.
Now t...
Could the future of dementia screening include a test of a person's sense of smell?
It may, suggests a new study that found the decline in a person's sense of smell cou...
Some 27 million people worldwide could suffer long-lasting damage to their sense of smell or taste following COVID-19 infection, and women are particularly vulnerable, a ne...
Since the early days of the pandemic, loss of smell and taste have been tied to COVID-19 infection. But a new study shows those telltale traits are much less likely with the Omicr...
It has happened to millions during the pandemic: a sudden loss of smell that heralds the start of a COVID-19 infection. But scientists have been stumped as to why.
Until now.
New research suggests the symptom is due to inflammation rather than directly caused by th...
Immune system-triggered inflammation is the likely reason for the loss of smell reported by many COVID-19 patients, a new study finds.
"As a neuropathologist, I wondered why smell loss is a ve...
Your sense of smell may not be as good as that of your ancestors.
A new study that tested volunteers' perceptions of various smells -- including underarm odor -- adds to growing evidence that people's
Lyss Stern lost her sense of smell when she was diagnosed with COVID-19 in March 2020, and it still hasn't returned.
Stern, 47, a New York City author and mother, has seen countless doctors and taken many types of medicine, vitamins and supplements to get her sense of sm...
People who've lost their ability to smell and taste due to COVID-19 have significant struggles, but they can find ways to cope with their situation, a new study shows.
One of the most common side effects of COVID-19 is the loss of the sense of smell, which severely affec...
Most adults who lose smell or taste due to COVID-19 infection regain those senses within months, but a quick recovery is more likely in those under 40, a new study finds.
A lost or altered sense of taste, dry mouth and sores are common among COVID-19 patients and those symptoms may last long after others disappear, Brazilian researchers report.
Nearly 4 in 10 COVID patients experience impaired taste or total loss of taste, but dry mouth a...