Common Scents Used During Testing
Non-food scents:
• Soap
• Leather
• Lilac
• Smoke
• Gas
• Rose
Food-related scents:
• Cherry
• Clove
• Strawberry
• Menthol
• Pineapple
• Lemon
If someone consistently struggles to recognize several familiar odors—particularly when accompanied by memory lapses, confusion, difficulty performing familiar tasks, or changes in daily functioning—it is reasonable to discuss these concerns with a healthcare professional.
A Balanced Perspective
A reduced sense of smell does not automatically mean someone has Alzheimer's disease.
Many other conditions can affect smell, including:
• Normal aging
• Nasal congestion or sinus problems
• Smoking
• Allergies
• Previous respiratory infections
• Certain medications
Because of this, smell loss should always be interpreted in the context of a person's overall health and symptoms.
Final Thoughts
Paying attention to subtle changes in your senses may help you notice health concerns earlier, but there is no single symptom that confirms Alzheimer's disease. Persistent changes in smell—especially when combined with memory or thinking difficulties—deserve a medical evaluation rather than self-diagnosis.
Early awareness can support timely assessment and appropriate care, while avoiding unnecessary alarm over a symptom that may have many possible causes.