PremiumRichard SimaWashington Post·22 Jul, 2026 12:00 AM9 mins to readThe loss of the sense of smell is often one of the first warning signs of neurodegenerative conditions such as Alzheimer’s and Parkinson’s disease, even up to a decade before there are other diagnosable symptoms. Photo / Aarón Blanco Tejedor, UnsplashSmell loss can be an early sign of neurodegenerative diseases, but it’s possible to boost your sniffing abilities.Stopping to smell the roses is good life advice. And research suggests it may have an added benefit: it could be a good way to improve your brain health.

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