Memory loss more common in people with blood type AB. Several research studies have pinpointed lifestyle changes individuals can make to prevent memory loss, such as keeping stress and blood sugars low, and not smoking.
A dog will shake its head under normal conditions for a few reason, such as when the dog has just gotten out of the water or to shake seeds or burrs from its ear. Even a dog hair can irritate the dog enough to make it shake its head. When your dog shakes it head, it is important to check for any foreign objects, allergic reaction and bites in its mouth, throat and ears if you can.
Ear hematomas in dogs are usually caused when a dog shakes his head violently, resulting in the ear flaps banging against his head or into nearby firm objects. A dog that scratches at his ear flap or experiences some other trauma to it can also develop an aural hematoma. Most often, an underlying ear problem causes itchiness, pain, or discomfort to the dog, which results in him shaking his head hard or scratching at his ear.