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Smell is the ability to detect and identify airborne chemicals through the olfactory system. It plays a critical role in flavor perception and neurological health.
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Olfactory System: A sensory system responsible for detecting odors and sending signals to the brain.
Neurodegenerative Diseases: Disorders characterized by progressive degeneration of nerve cells, such as Alzheimer's and Parkinson's.
Oxidative Stress: An imbalance between free radicals and antioxidants in the body, which can damage cells and tissues.