1 Some foods and treats can help to control plaque and tartar, which could help save hundreds, or even thousands of dollars, if they are part of an overall plan that prevents periodontal disease. 2  Dental diets cost about $30 for a 30-pound bag, or about $250 per year to feed a moderately active medium-sized dog.
The human brain is a complex organ controlling every voluntary and involuntary action we make. The brain controls basic motor skills, heart and breathing rates, emotions, behavior and decision-making. There is a part of the brain responsible for addiction. The name for this part of the brain is the limbic system. This system, also known as the âbrain reward system,â is responsible for producing feelings of pleasure. When a person takes an addictive substance, the limbic system releases chemicals that make the user feel good. This encourages habitual substance abuse.
The frontal lobe contains most of the dopamine-sensitive neurons in the cerebral cortex.The dopamine system is associated with reward, attention, short-term memory tasks, planning, and motivation. Dopamine tends to limit and select sensory information arriving from the thalamus to the forebrain.he frontal lobe contains most of the dopamine-sensitive neurons in the cerebral cortex.