brain. Cravings are just the body's way of looking for more of the same. Unfortunately, smoking has been linked to several types of cancer, heart disease, and stroke.
2. Cocaine
Cocaine is a highly-addictive stimulant that is made from the leaves of the coca plant. Whether you call it "coke," "blow," or "nose candy," it gives the user a relatively brief, but very intense, high. This drug a
Mood is affected by the release of monoamine neurotransmitters including serotonin and norepinephrine.
Lack of neurotransmission at central serotonergic or noradrenergic synapses causes depression.
CRF and depression
Hyperactive HPA axis enhances CRF transmission in the hypothalamus.
Increased arousal, decreased appetite, decreased sexual behavior, and increased heart rate and blood pre
and die in experimental animals. This degeneration of the hippocampus sets off a vicious cycle in which the stress response becomes more pronounced, leading to even greater cortisol release and more hippocampal damage. Human brain imaging studies have posttraumatic stress disorder, an anxiety disorder that is triggered by exposure to inescapable stress.
b.BDNF
Neurotrophinsand neurogenesis.
Histologically, the islets consist of three major and at least two minor cell types.
Beta cells, which synthesize and secrete insulin, make up about 60% of a typical islet.
Alpha cells are the source of glucagon, 30% of islet tissue.
Delta cell, which are less abundant, produce somatostatin.
F cells, which secrete pancreatic polypeptide.
Fifth cell type that secretes ghrelin.
Fifty cell typ
Motivational Enhancement Therapy
largely client centered
evoke from clients own motivation for change
consolidate a personal decision
alter the harmful use of drugs
principles of cognitive and social psychology
drug problems; under at least partial voluntary control of the client
Motivational Enhancement Therapy
counselor behaviors include
asking open-ended questions
reflective listen