The cause of Plummer-Vinson syndrome is unknown; however, genetic factors and nutritional deficiencies may play a role. Women are at higher risk than men.
Soothes itchy ears. Diluting apple cider vinegar with 50 percent water provides a solution for a common dog problem: itchy ears. Just use a cotton swab or gauze pad soaked in the diluted vinegar. If itchy ears continue, your dog may be allergic to something in his diet.
The smell of vinegar is more offensive to dogs than it is to humans as their noses are much more sensitive. A highly concentrated mixture of vinegar and water -- one part vinegar to five parts water -- can provide you with an odor deterrent that many dogs will steer clear of.