The most common and famous reason amongst researchers for dog swollen ear is inflammation. Inflammation can occur for any reason such as infection, allergy, parasitic infestation, tumors or any injury. Inflammation is an acute (immediate) response of the body towards any pathological (disease) condition, thus swelling as a characteristic of inflammation may be the result of any dog ear problem.
Caffeine Addiction. Caffeine addiction is a common problem. The most commonly consumed psychoactive substance on earth, caffeine, is used daily by an estimated 90% of Americans. . We are in love with the mental boost it gives and habitually take it, usually without much thought.
Worldwide, alcohol and nicotine are the commonest sources of addiction. Other drugs associated with addiction are opiates (morphine), psycho-stimulants (cocaine, amphetamine, methamphetamine), marijuana and phencyclidine. The effects of some of these drugs are given below. Addicting drugs activate the parts of brain associated with reward feelings.