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Search results 651 - 660 of 1458 matching essays
- 651: Ebola Virus In Depth Report
- ... not even the late signs are specific; the identification of presumptive cases may be more difficult at present because of an unconfirmed outbreak of shigella dysentery. Ebola and Marburg are members of a unique ribonucleic acid virus family, the filoviridae. Ebola virus nuclear protein and polymerase genes are distantly related to the equivalent paramyxovirus genes. The reason for the extreme pathogenicity of these agents is not understood. Virulence varies among strains ...
- 652: Genetics and Heredity
- ... will have a blend of those genes. For example, a black rooster and a white hen mate, and the resulting offspring are gray. The same can be said for people. Genes are made of deoxyribonucleic acid, or DNA for short. DNA is shaped like a double helix, and, through combinations of adenine, thymine, guanine, and cytosine, a gene is made. DNA determines who you are and what your potential is. It ...
- 653: AIDS
- ... an extremely common form of sexual activity among homosexual male or female. This activity involves contact of infected semen or vaginal secretions with the mouth. AIDS virus and infected cells most certainly cannot survive the acid environment of the stomach. It is felt that there is a chance of catching the disease by having oral sex with an infected person. The chance is probably a lot smaller than in the case ...
- 654: Cystic Fibrosis
- ... their search they found that a DNA abnormality accounted for 70% percent of CF cases. They discovered that a mutation which causes the deletion of three nucleotides, also cause a lack of a single amino acid. In the 90’s they started working more on the cure and Richard J Gregory of Genzyme paved the way. He hypothesized that by inserting a healthy version of the cell into a patient, it ...
- 655: Von Willebrand’s Disease
- ... Patients with low plasma vWF: Ag but normal platelet vWF: Ag may not have as many symptoms as a person with low platelet vWF: Ag. Although usual platelet aggregation studies (ADP, epinephrine, collagen, and arachidonic acid) are normal in von Willebrand’s disease, aggregation with ristocetin may be abnormal. This test is not as sensitive as the vWF: RCo assay and many patients will have normal ristocetin induce platelet aggregation. Aggregation ...
- 656: Nutrition: Facts On Malnutrition
- ... high intakes of minerals and fat soluble vitamins (more than can usually be obtained from food sources alone) can be toxic. This is because they are stored in the body. With the exception of folic acid (women of childbearing age), people who have well balanced diets that supply enough energy do not usually need to take dietary supplements. But if they do decide to take supplements, then they should follow the ...
- 657: Bulimia
- ... of anorexia nervosa, or abnormal dieting, but bulimia in itself does not result in severe weight loss. It can, however, cause gastrointestinal problems and serious potassium depletion, and teeth may be damaged due to the acid nature of the regurgitated food. Bulimia usually develops during adolescence (most commonly among females) as a result of various psychological pressures, the most obvious one being the social emphasis on the desirability of slimness. Various ...
- 658: Breast Feeding Infants
- ... the higher they scored. Fergusson and John (1998) concluded that breast-feeding is associated with small increases in child cognitive ability and educational achievement. They also reported that babies should be fed omega 3 fatty acid (DHA), which is found in human milk. (http://japan.com/health19801/05/mothers.milk/) Because human milk has special ingredients like DHA and AA which increase the development of the brain and retina, breast-fed ...
- 659: Unconventional Medicines
- ... health and wellness. It is a form of complementary medicine to heal physical and mental imbalances. (Earle & Rose,1996) Aromatherapy often works because “humans relate fragrance to specific experiences. Take for example, being in a rain forest. The brain records these experiences, often unconsciously, and when the odour is re-encountered, one recalls the specific point in time.” (Monte,1993:212) Essential oils have the ability to help heal and prevent ...
- 660: The Female Body
- ... infected male to the female during intercourse. The vaginal mucosa has no glands; it is lubricated by the cervical mucous glands. Its epithelial cells release large amounts of glycogen, which is anaerobically metabolized to lactic acid by resident bacteria. Consequently, the pH of a woman’s vagina is normally quite acidic. This acidity helps keep the vagina healthy & free of infection, but it is also hostile to sperm. Although vaginal fluid ...
Search results 651 - 660 of 1458 matching essays
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