Diseases and Dependencies

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Presentation transcript:

Diseases and Dependencies Alzheimer Disease Parkinsons Disease Drugs Alcohol

Alzheimer Disease Plaque Nerve tangles

Parkinson’s Disease Decrease CNS dopamine secretion

General drug actions

Cocaine: stimulant Cocaine Coca Plant Increases dopamine Cocaine

Cocaine What are the short-term effects of Cocaine Use? Increased energy Decreased appetite Mental alertness Increased heart rate and blood pressure Constricted blood vessels Increased temperature Dilated pupils

Cocaine What are the long-term effects of Cocaine Use? Addiction Irritability and mood disturbances Restlessness Paranoia Auditory hallucinations Numerous effects on HEART RESPIRATION

Examples of some drug opiates Morphine Heroine Codeine

Heroine Heroin is processed from morphine, a naturally occurring substance extracted from the seed pod of the Asian poppy plant. Poppy Plant Street names associated with heroin include "smack," "H," "skag," and "junk."

Heroine Soon after injection (or inhalation), heroin crosses the blood-brain barrier. In the brain, heroin is converted to morphine and binds rapidly to opioid receptors.

Methampethamines street names: Chalk, Crank, Croak, Crypto, Crystal, Fire, Glass, Meth, Tweek , White Cross. Methamphetamine can be taken orally, injected, snorted, or smoked.

Methampethamines It rapidly enters the brain and causes a cascading release of norepinephrine and dopamine (and to a lesser extent, serotonin) resulting in euphoria and the availability of undirected energy.

LSD (lysergic acid diethylamide) LSD: has a chemical structure that is very similar to the neurotransmitter called serotonin. Originally from fungus of rye Plants: 1938

Cannabis Tetrahydrocannabinol (THC) stimulates receptors of pain and appetite

Ectasy Methylenedioxymethamphetamine (MDMA) Street Names: X, XTC, E, Adam, Lovers Speed, Eve, Beans, Clarity, Essence, etc. Potential to damage the serotonin receptor sites as well as the serotonin neurons of the brain

Alcohol Stimulates inhibitory receptors at high doses Can be excitatory at low doses

Stimulant Binds to acetylcholine receptors Acetylcholine receptor