Addiction is defined as a chronic, relapsing brain disease that is characterized by compulsive drug seeking and use, despite harmful consequences. â  It is considered a brain disease because drugs change the brainâthey change its structure and how it works.ource: From the laboratories of Drs. N. Volkow and H. Schelbert. Addiction is a lot like other diseases, such as heart disease. Both disrupt the normal, healthy functioning of the underlying organ, have serious harmful consequences, and are preventable and treatable, but if left untreated, can last a lifetime.
there is a dog from Africa called a Basenji, it doesn't bark, it sorta yodels. and also the visila from south America is said not to bark Please don't listen to all of the smart arses. Deaf dogs bark very little. But all dogs bark.
The English Springer Spaniel field-bred dogs tend to have shorter, coarser coats than show-bred dogs. The ears are less pendulous. Field-bred dogs are wiry and have more of a feral look than those bred for showing. The tail of the field-bred dog may be docked a few inches in comparison to the show dog.