Can Humans Detect the Scent Automatically?

A 2012 study suggested that humans may subconsciously recognize the scent of older individuals. Much like animals, people might be able to pick up cues about someone’s age or general health status based on their odor alone. This instinct may even be tied to an ancient connection to our ancestors.

In Japan, this smell has a specific name — kareishu — and several companies have developed products aimed at reducing or eliminating it. Perfumes, body washes, and other deodorizing items are marketed to help neutralize the scent, with persimmon extract believed to remove it from the skin entirely.

Ways to Reduce the Odor Naturally

Exercise supports metabolism, which can help regulate hormones and lower stress — both of which may lessen the intensity of the odor. Regularly laundering clothes is also important, as nonenal can accumulate in fabrics more easily than expected, making frequent washing necessary.

Maintaining a healthy diet rich in antioxidants and staying well-hydrated can benefit the skin, too. Dehydration not only dries out the skin but can also worsen odors coming from both the body and mouth.

Proper hygiene helps, but sometimes the simplest solution is to let fresh air circulate through the home.

Aging With Grace and Compassion

Growing older is unavoidable, and changes in our bodies are a natural part of life. What should never fade, however, is the compassion, love, and respect we show to the elderly.

Does this familiar smell bother you? Were you surprised to learn there’s a scientific explanation behind it? And what are your thoughts on specialized products designed to reduce nonenal?