Here's a Part of Aging That Really Stinks
THURSDAY, Aug. 16, 2018 -- Unpleasant phantom odors haunt many older Americans, a new study finds.
Of more than 7,400 people over age 40 who took part in a federal health survey, 6.5 percent said they experience nasty odors -- such as burning hair or the reek of an ashtray -- from nowhere. That's 1 in 15 people.
As folks age, their ability to identify odors tends to decrease, but their detection of phantom odors increases. Why this happens is a mystery, but smelling something that isn't really there can be life-changing, the researchers said.
"Problems with the sense of smell are often overlooked, despite their importance. They can have a big impact on appetite, food preferences, and the ability to smell danger signals such as fire, gas leaks and spoiled food," said Judith Cooper. She's acting director of the U.S. National Institute on Deafness and Other Communication Disorders (NIDCD). It led the study.
Lead researcher Kathleen Bainbridge said overactive odor-sensing cells in the nasal cavity or a malfunction in the brain area that understands odor signals may be involved. The new study lays the groundwork for further research.
"A good first step in understanding any medical condition is a clear description of the phenomenon. From there, other researchers may form ideas about where to look further for possible causes and ultimately for ways to prevent or treat the condition," Bainbridge said in an institute news release. She is an NIDCD epidemiologist.
Study co-author Dr. Donald Leopold is a clinical professor of surgery at the University of Vermont Medical Center in Burlington. He said many people who experience strong phantom odors have a poor quality of life. They may also have trouble maintaining a healthy weight.
The new research follows a Swedish study that reported 4.9 percent of people older than 60 experienced phantom odors. It said the rate was higher among women than men.
This new study found a similar rate among Americans over 60, but an even higher rate among those between 40 and 60. Roughly twice as many women as men reported experiencing phantom odors, and the gender gap was greatest in the younger group, the NIDCD study found.
Besides gender, other risk factors for experiencing phantom odors include head injury, dry mouth, poor overall health, and being poor, the researchers said.
They said poor people may have greater exposure to environmental pollutants and toxins, or have health conditions that contribute to the problem, either directly or because of medications they take.
The study was published Aug. 16 in the journal JAMA Otolaryngology-Head and Neck Surgery.
© 2020 HealthDay. All rights reserved.
Posted: August 2018
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