Mar 28, 2025 · Researchers have developed and validated a simple “peel-and-sniff” test that can be completed unsupervised at home to screen for cognitive impairment. It’s well known that impaired …

A fishy or amine odor after the addition of a 10% potassium hydroxide solution (positive whiff or sniff test).

Aug 3, 2016 · A simple, inexpensive odor identification test is better than an MRI measurement of entorhinal cortex thickness in predicting cognitive decline, a new study suggests.

Aug 18, 2025 · Trained dogs can detect subtle scent changes in skin sebum and flag Parkinson’s disease before motor symptoms present, potentially offering a new path to earlier diagnosis.

Aug 3, 2009 · Researchers have pinpointed the source of compounds that signal cancer on the breath, and hope that this Information can be used to develop a sensitive and accurate "sniff test" for lung …

Apr 4, 2024 · Dogs can detect stress-related compounds in the breath of people experiencing early signs of trauma, including those with PTSD, a new proof-of-concept study suggests.

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Feb 8, 2016 · All study participants had olfactory testing with the University of Pennsylvania Smell Identification Test (UPSIT-40), a kind of scratch-and-sniff test.

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Nov 5, 2015 · A test based on the smell of someone's skin may allow the early diagnosis of Parkinson's disease, say United Kingdom (UK) researchers who have launched a study to investigate chemicals …