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.
White vinegar can be used either full-strength or diluted with water to repel cats. If objects or plants could be damaged by applying vinegar full-strength, dilute it with one or two parts water before using it as a deterrent.