From the Journals

Side Effects: The Nose Knows

A nasal swab may detect Alzheimer's before symptoms appear — and the immune system is already loud about it

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Recent findings reveal that pre-clinical Alzheimer's disease can be detected via a cotton swab from the nose, which captures activated CD8 memory T cells in olfactory tissue. This approach signals early neuroinflammation before cognitive symptoms appear, showcasing the nose's potential in Alzheimer's diagnostics. Additionally, a systematic review highlights a gap in medical ethics education fostering physician burnout, emphasizing the importance of developing professional identity and psychological safety in healthcare. Lastly, researchers caution that common weight loss advice for Type 2 diabetes may backfire without actionable plans, while a small study suggests that a combination of pine bark and pomegranate extract can reduce skin pigmentation safely and effectively.

Original Source(s)

Side Effects: The Nose Knows

  • by Kerri Miller

  • March 18, 2026

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