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Old person smell is the characteristic odor of elderly humans. [1] Like many other animal species, human odor undergoes distinct stages based on chemical changes initiated through the aging process. Research suggests that this enables humans to determine the suitability of potential partners based on age, in addition to other factors. [2]
Sweat and body odor are typically thought to go hand in hand, but experts say it's a little more complicated than that. Sweat alone doesn't have a smell, according to Harvard Health.
Since odor detection may be an indicator that exposure to certain chemicals is occurring, olfactory fatigue can also reduce one's awareness about chemical hazard exposure. Olfactory fatigue is an example of neural adaptation. The body becomes desensitized to stimuli to prevent the overloading of the nervous system, thus allowing it to respond ...
Body odor (or bromhidrosis, if you’re being technical) is “caused by bacteria on the skin, which break down sweat, giving off a foul odor,” according to Dr. Joshua Zeichner, a dermatologist ...
Elderly people often experience multiple comorbidities that may contribute to the phenomenon of sundowning syndrome through neurodegeneration. Neurological disorders: Alzheimer's disease, Parkinson's disease , Huntington's disease , Lewy body dementia , fronto-temporal dementia, subcortical dementia.
But sundowning has some unique signs that make it stand out from just being tired. “Fatigue can occur at all times of the day. Sundowning is truly confusion,” Dr. Kobylarz says.
Among over a thousand persons aged 40 years and older, 12.0% reported a problem with smell in the past 12 months and 12.4% had olfactory dysfunction on examination. Prevalence rose from 4.2% at age 40–49 to 39.4% at 80 years and older and was higher in men than women, in blacks and Mexican Americans than in whites and in less than more educated.
For anyone, even mild dehydration – as low as 2% of one's body weight – can contribute to confusion, fatigue, loss of strength, reduced coordination and decreased cognitive function.