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Search results 851 - 860 of 1458 matching essays
- 851: Anxiety Disorders
- ... 1886) Panic disorder tends to run in families with first degree relatives of patients having four to seven times greater risk than the general population. Metabolically, the levels of three neurotransmitters, nor-epinephrine, gamma-aminobutyric acid (GABA), and serotonin, may play a role in anxiety. These neurotransmitters act as signals between brain cells. Drugs that change the levels of these neurotransmitters are useful in the treatment of anxiety. Hyperventilation (rapid shallow ...
- 852: Alchemy
- ... Diocletian is said to have ordered all Egyptian works concerning the chemistry of gold and silver to be burned in order to stop such experiments. Zosimus the Theban (about AD 250-300) discovered that sulfuric acid is a solvent of metals, and he liberated oxygen from the red oxide of mercury. The fundamental concept of alchemy stemmed from the Aristotelian doctrine that all things tend to reach perfection. Because other metals ...
- 853: Sickle Cell Anemia
- ... complications. By giving young children with sickle cell oral penicillin twice a day beginning at two months until five years can prevent pneumococal infection and early death in children. A doctor may also prescribe folic acid, a vitamin supplement. Taking penicillin or vitamins does not cure sickle cell it just help the children not be so sick. A bone marrow transplant has been shown to provide a cure for severly-affected ...
- 854: Euthanasia And Suicide
- ... students agreed more with two beliefs: that the tendency toward suicide is inherited and passed on from one generation to another (24.1% vs. 4.1%; chi= 13.71) and that oppressive weather, such as rain, humidity, etc. has been found to be related to suicidal behavior (71.2% vs. 54.1%; chi= 4.80). But no major differences were found for the beliefs that an individual who commits suicide is ...
- 855: Adrenal Glands
- ... their effects. Norepinephrine constricts almost all blood vessels. Norepinephrine is formed by intravenous infusion to combat the fall in blood pressure associated with types of shock. Norepinephrine is formed in the body from the amino acid tyrosine, and epinephrine is formed from norepinephrine. Mineralocorticoids steroids control the overall body fluid. Mineralocorticoids are critical to regulate concentrations of minerals in extracellular fluids. The major target of aldosterone is the distal tubule of ...
- 856: Adrenal Gland
- ... their effects. Norepinephrine constricts almost all blood vessels. Norepinephrine is formed by intravenous infusion to combat the fall in blood pressure associated with types of shock. Norepinephrine is formed in the body from the amino acid tyrosine, and epinephrine is formed from norepinephrine. Mineralocorticoids steroids control the overall body fluid. Mineralocorticoids are critical to regulate concentrations of minerals in extracellular fluids. The major target of aldosterone is the distal tubule of ...
- 857: Hurricane Andrew
- ... to about 8 kt. The hurricane struck a sparsely populated section of the south-central Louisiana on the 26th. The landfall location is about 20 n mi west-southwest of Morgan City. Andrew dropped sufficient rain to cause local floods even though the hurricane was relatively small and generally moved rather fast. Rainfall totals in excess of seven inches were recorded in southeast Florida, Louisiana, and Mississippi. Rainfall amounts near five ...
- 858: Rutherford
- ... working on his B.Sc. at the University of New Zealand in 1894. He showed that the magnetization can be removed from a magnetized iron needle by dissolving the surface layer of the metal in acid. He began work at Cambridge in 1895 and was a professor at the University of Manchester from 1907 on. It is during this time period that Rutherford made his most important discoveries. Most of Rutherford ...
- 859: Marijuana 2
- ... cannabinoids. Marijuana users are eager to ingest the greatest amount of THC, the psychoactive ingredient in marijuana, to achieve the best high. There are many cannabinoids synthesized by the plant including tetrahydrocannabinol, cannabinol, cannabidiol, cannabinolidic acid, cannabigerol, and cannabichromene. Delta-9-tetrahydrocannabinol is thought to be responsible for most of the psychoactive effects of cannabis and is the active ingredient in synthetic THC pills such as marinol. Cannabis plants do grow ...
- 860: Lsd
- ... Receptors Figure 2: LSD Binding at 5-HT2 Receptor Theory: LSD Post-synaptically Partially Agonizes 5-HT2 Receptors Theory: LSD Post-synaptically Agonizes 5-HT1 Receptors Conclusion References Introduction The psychedelic effects of d-Lysergic Acid Diethylamide-25 (LSD) were discovered by Dr. Albert Hoffman by accident in 1938. In the 1950s and 1960s, LSD was used by psychiatrists for analytic psychotherapy. It was thought that the administration of LSD could ...
Search results 851 - 860 of 1458 matching essays
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