1. Nasal cilia move up to 20 hours after death. Researchers believe this could measure time of death.1
  2. The brain region for processing smell is up to 50% larger in women.2
  3. Nasal membrane color is an indicator of health. Pink indicates a healthy nasal membrane, red signifies infection, and muted pink and gray appear during nasal allergy season.3
  4. Smell is the only one of the five senses directly connected to the area of the brain where memories are formed and emotions are processed.4
  5. Your nose and sinuses produce almost one liter of mucus a day (which you swallow.)5
  6. You’re not alone: 45% of men and 25% of women have a regular snoring habit.6
  7. A single sneeze makes 40,000 droplets, travels up to 20 miles per hour, and creates a 5’ spray radius.7,8
  8. You don’t sneeze in your sleep because the nerves that trigger sneezing are also sleeping.9
  9. Hungry? 80% of what you’re tasting is determined by what you’re smelling.5
  10. Your nose is lined with microscopic hair-like structures, called cilia. Cilia sweep mucus to the back of the nose every five to eight minutes.10
  11. There are 14 basic nose shapes.11
  12. Mucus contains chemicals that keep you healthy. That’s why when you’re sick, mucus production nearly doubles.5
  13. Humans have 12 million olfactory (smell) receptor cells, while rabbits have 100 million and bloodhounds have four billion.12