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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

Oct 22, 2025

4 min

At What Age Does Nonenal Smell Start? Understanding the Science of Aging Odor

According to a 2001 study in the *Journal of Investigative Dermatology*, a key compound in age-related body odor was detected only in subjects aged 40 and older. This landmark research helps pinpoint the answer to the question: **at what age does nonenal smell start**?

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Oct 18, 2025

4 min

Why do we smell more as we get older? The science of aging and body odor

According to a 2001 study published in the *Journal of Investigative Dermatology*, a specific compound, 2-nonenal, was detected exclusively in individuals over 40, becoming more prevalent with age. This groundbreaking research helped explain **why we smell more as we get older**, attributing it to a natural bodily change rather than personal hygiene.

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