The Dose
Why do we smell (and how concerned should we be about it)?
Apr 24, 2025
Join science journalist Sarah Everts, a Carleton University professor and author of 'The Joy of Sweat,' as she unpacks the fascinating world of body odor. She reveals the science behind our unique scents and challenges the stigma around body odor in a society obsessed with fragrance. Discover how our scents affect attraction and social bonds, and why we might reconsider our investments in deodorants. Sarah also discusses the cultural shifts towards natural body scents, especially in a post-pandemic world.
24:13
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Quick takeaways
- Body odor arises from apocrine sweat glands and bacterial interactions, revealing a complex relationship between biology and personal scent.
- Cultural perceptions of body odor vary, with some societies embracing natural scents while Western culture often prioritizes masking them.
Deep dives
Understanding Body Odor
Body odor is fundamentally linked to the activation of apocrine sweat glands during puberty, particularly in the armpits and genital areas. These glands produce an oily, odorless secretion that only becomes smelly when bacteria break it down, resulting in distinct volatile compounds. Common bacteria responsible for odor include various strains such as Corynebacterium and Staphylococcus, which thrive in warm, moist environments. Factors such as genetics, diet, and age can further influence individual body odor, revealing a complex interplay between biology and personal scent.
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