It's April - But Some People Cannot Smell the Flowers

... Nasal surgery often corrects breathing and the ability to smell. In a person with a brain tumor, head injury, Alzheimer's disease, dementia, Parkinson's disease, and various brain disorders, signals do not reach the brain nerve centers that are ...

http://www.prweb.com/releases/prweb2013/4/prweb10638152.htm