... aerosol spray cans. These compounds are greatly responsible for the depletion of the ozone layer in the stratosphere (Gutnik 54). CFCs are most commonly used as the propellant in spray cans, the coolant in refrigerators and air conditioners, in foam and plastic insulation, and in industrial solvents (Caldara 20). Industry began using CFCs in the World War II era. In 1973, atmospheric chemists F. Sherwood Rowland and Mario Molina of the University of California at Irvine postulated the connection between ozone depletion and CFCs. Although CFCs were found to be harmful to the ozone twenty three years ago they are still in active use today. According to The All ...
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... case, the antenna is very close to the user's head during normal use of the telephone and there is concern about the level of microwave emissions to which the brain is being exposed. Those telephones that have the antenna mounted elsewhere are of no concern, since exposure levels decrease rapidly with increasing distance from the antenna. Cordless telephones, which need to be operated within about 20 metres of a base unit that is connected directly to the telephone system, do not have any health concerns associated with their use because exposure levels are very low. . Media reports have claimed that up to 70 percent of the microwave emissions from hand-held m ...
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... or economic reasons (such as the extreme youth of the pregnant female or the sorely strained resources of the family unit). By some definitions, abortions that are performed to preserve the well-being of the female or in cases of rape or incest are therapeutic, or justifiable, abortions. Numerous medical techniques exist for performing abortions. During the first trimester (up to about 12 weeks after conception), endometrial aspiration, suction, or curettage may be used to remove the contents of the uterus. In endometrial aspiration, a thin, flexible tube is inserted up the cervical canal (the neck of the womb) and then sucks out the lining of the uterus (the endome ...
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... destructive because the person assiduously avoids confrontation with any evidence that might challenge the memory. Thus it takes on a life of its own, encapsulated and resistant to correction. The person may become so focused on the memory that he or she may be effectively distracted from coping with real problems in his or her life.” Jo hn F. Kihlstrom, Ph.D. There are many theorys that try to explain how memory works, still we are not sure that's how memory works. One of the most amazing theorys of how memory works, is the one which says that every experience a person has had is 'recorded' in memory and some of these memories are of a traumatic event that ...
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... human race because there is always a chance, even though it is a small one, that they will regain all functons and return to a normal life. There are many cases in which euthanasia is acceptable. Brain death is one situation which merits euthanasia. It is also one of the more common cases where euthanasia is requested. Brain death is when all brain activities cease. The lines are fairly well drawn in the law about patients who are suffering but are still compotent, but when the law is asked to determine the fate of a lingering, comatose, incompotent patient the lines begin to blur. In many cases the courts turned to the patient's family, but what if there are not ...
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... a third camp occupying tltL middle ground, that believes both of the extreme positions on the function and meaning of dreams to be partly right and partly wrong. Its proponents argue that dreams may have both physiological and psychological determinants, and therefore can be either meaningful or meaningless, varying greatly in terms of psychological significance. Interpretation Of Dreams Revisited If we are to understand Freud's view of the dream, we need to consider his concept of the dreamer's brain. We know today that the nervous system contains two types of nerve cells (excitatory and inhibitory). Both types discharge and transmit electrochemical impu ...
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... used until around the mid-1800s. The concept of vegetarianism, however, dates back much further. The Greek philosopher Pythagoras, considered by many to be the father of vegetarianism, encouraged a non-meat diet among his followers as a diet that was the most natural and healthful (Messina 3). A excludes the consumption of meat, and can be exercised by people for a number of reasons. The largest majority of individuals chose vegetarianism for health related reasons. For example, someone with an ulcer might be prescribed a strict diet of vegetables in order to promote the healing process. Or someone with a dangerously high level of cholesterol might be advised to ...
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... "bad" cholesterol. These are described as good or bad because of their affect on the cardiovascular system which includes the heart and blood vessels, throughout the entire body. An excess of "bad" cholesterol- LDL, is known to precipitate out and accumulate on the lining on the membrane of arteries, and eventually sludge this tube enough to impair the flow of life giving blood to the end organ supplied by this blood vessel resulting in disease and serious impairment of that organ, eventually. It has been well proven that an excess of "good" cholesterol- HDL, helps to preserve the integrity of the blood arterial lining of blood vessels preventing the occurring ...
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... have improved, they often stop taking the drug. Just because the symptoms have disappeared it does not mean the disease has gone away. Prescribed drugs should be taken until all the medicine is gone so the disease is completely finished. If it is not, then this will just give the bacteria some time to find a way to avoid the effects of the drug. One antibiotic that will always have a long lasting effect in history is penicillin. This was the first antibiotic ever to be discovered. Alexander Fleming was the person responsible for the discovery in 1928. In his laboratory, he noticed that in some of his bacteria colonies, that he was growing, were some clear spot ...
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... thinness over all other choices, even such thing as job promotion, romance, prestige and power. In fact, more women feared becoming fat, then feared dying. These statistics revel an alarming social problem that is reaching epic proportions. Although the topic of eating disorders has gained a larger audience within the last decade, the number of cases of eating disorders continues to rise at a resounding rate. Today many scientists are looking into possible causes for the onset of an eating disorder. The most prevalent and influencing factor is the media and society's view. They act as a controlling presence for susceptible individuals. “ The sociocultur ...
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