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  • 6/30/2025
A new study from the University of California, Riverside finds that odors can affect gene expression, which could lead to new forms of medical treatment. Veuer’s Matt Hoffman reports.

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00:00A new study suggests that scents could one day have a use beyond making you more appealing for your date.
00:06The study was performed at the University of California, Riverside.
00:10The authors exposed fruit flies, mice, and human cells to the odorant diacetyl
00:14and found that this changed the subject's gene expression.
00:18This means that the smells we inhale could be affecting our health
00:21and that they could be used intentionally to treat conditions like cancer and neurodegenerative diseases.
00:26In a news release, lead author Anandasankar Ray said
00:30that exposure to an odorant can directly alter expression of genes
00:34even in tissues that have no odorant receptors came as a complete surprise.
00:39Ray is an insect neuroscientist who has extensively studied how scents can attract or repel bugs.
00:44Diacetyl is unsafe in high amounts for humans,
00:47so Ray says it may not be the perfect candidate for use as a medical treatment.
00:51But someday, your doctor may be prescribing you an aroma.

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