Old Person Smell

Is there really such a thing as “old people smell,” or is it in your imagination when you visit seniors who look right at home among their antiques?  A recent study says young people really can identify such a smell, and old men smell the best.

Research

Just how do you go about proving this?  Johan Lundström and his colleagues at the Monell Chemical Sense Center in Philadelphia collected the underarm scents of people in three age groups: 20-30 years old, 45-55 years old and people 75-95 years old.  Then they had other young people (ages 20-30) sniff the armpit pads.

Collecting Scents

The researchers had the participants wear the same T-shirt to bed for five nights.  The shirts and sheets had been washed with scent-free detergent and the participants washed with scent-free soap every night.  They also agreed not to smoke, drink alcohol or eat foods that are known to cause body odors. Special pads were sewn into the underarms of the T-shirts to collect their body’s scent.

Ratings

The people doing the sniffing rated the pads on pleasantness and intensity and had to guess which of two odors came from older participants.  Then they were instructed to label all of the armpit pads by age category. 

Although they had trouble distinguishing between the young and middle aged people’s pads, they were able to correctly determine which came from old people more often than would be randomly expected.  Evaluators used words such as “earthy” and “mild, like stale water” to describe the odors of older people.

“These elderly odors were very distinct and easy to group together,” says Lundström.  The study found that the armpit pads from old men were rated the most pleasant, especially compared with middle-aged men, although the odors from old women were rated behind those of middle-aged women.

Lundström and his colleagues concluded that if you associate the scent of old people with something negative, it is likely to have more to do with context than the actual odor.

The study was reported online May 30, 2012 in PLoS ONE.

This article was originally published in Pathways Residential Care Journal - Issue 4.  To download this issue in PDF format, or past issues, visit our newsletter archives online at www.pathwayshealth.org/publications.

Vitamin D May Reduce Falls in the Elderly in SNFs

Dietary Supplements

Recent studies indicate that adding Vitamin D supplements to the diets of nursing home residents may reduce the frequency of falls, a leading cause of death and disability in the elderly.

Vitamin D deficiency is associated with muscle weakness, which can contribute to falls and fractures. Nursing home residents are especially vulnerable to falling due to advanced age, health problems, and weakened eyesight. In fact, approximately 50% of nursing home residents fall every year, and those who are injured become even more prone to future falls.

Although exercise, appropriate equipment, adequate staffing and a risk-free environment are important, research done at the Sydney Medical School at the University of Sydney in Ryde, Australia found that Vitamin D was a effective measure, although they are not sure why. 

Fall Prevention Resources, Available Online

In an effort to increase awareness about fall prevention hazards the Fall Improvement Taskforce (FIT) at Pathways created colorful flyers that can be printed and used as check-off lists to ensure your environment remains safe and to minimize the risk of falls.

Topics include: “Did you know that clothing can contribute to falls?”; “Medications can increase the risk of falls”’; and “People with vision deficits are twice as likely to fall”.

These helpful resources can be downloaded via our website at www.pathwayshealth.org/resources.