1. The ability to smell is associated with the first cranial nerve and is often one of the first senses to be adversely affected by cognitive decline.
In patients with Alzheimer’s, the ability to smell peanut butter through the left nostril was found to be significantly impaired
“Jennifer Stamps, a graduate student in the University of Florida (UF) McKnight Brain Institute Center for Smell and Taste, and her colleagues reported the findings of a small pilot study in the Journal of the Neurological Sciences.
4. There are three reasons a dog’s urine burns grass: an alkaline pH, concentrated (vs. dilute) urine, and nitrogen load. The most important factor of the three is urine pH.