... , ethnic background and genetics have little, if any role compared to diet, lifestyle or other environmental factors." It is very frustrating to know that the major risk factors for developing breast cancer can not be changed such as sex, aging, family or previous history. Lifestyle changes have been shown to reduce the chances of getting a heart attack, a stroke and developing some cancers ... those women at very high risk who have had a hysterectomy, the benefits are much greater than the risks. For some people, even families, surgical prevention is best. If a family has breast cancer ...

• Word Count: 2529
• Approx Pages: 10
• Grade Level: High School

... factors as well, these come from the idea of stopping egg production and from increasing the amount of progesterone in the body and include pregnancy, oral contraceptives and breast feeding (Cancer Research UK 2005). In patients known to have BRCA2 and BRCA2 gene mutation, prophylactic surgery such as tubal ligation and prophylactic oophorectomy has been shown to reduce the ... mean advancement in disease and therefore a lower survival rate. As the disease progresses other symptoms such as ascites, pleural effusion, pain, bowel obstruction and dyspnoea will become present. If cancer is ...

• Word Count: 3220
• Approx Pages: 13
• Has Bibliography
• Grade Level: Undergraduate

... lumbar spine, but a high incidence of endometrial hyperplasia was also noted. This high incidence of endometrial hyperplasia, the possible increased risk of breast cancer[30-32] with prolonged estrogen use, and the relationship of lumbar BMD to breast cancer[33] have led to alterations in the manner in which estrogens are administered and to the search for the lowest effective dose of estrogen ... . In addition, the concomitant use of cyclic or continuous progestins is considered mandatory for women who have not had a hysterectomy to prevent endometrial hyperplasia and cancer. Because of...

• Word Count: 3277
• Approx Pages: 13
• Grade Level: Undergraduate

... Rosen et al 499). Additional benefits of ERT include a reduction in the risk of cardiovascular disease; however, ERT increases the risk of the incidence of endometrial cancer,breast cancer, and ovarian cancer (Marcus 119). Researchers in the National Cancer Institute (NCI) performed a large study of postmenopausal women not using HRT and those on ERT. According to Dr. James V. Lacey Jr., "the main ... has positive effects on bone density in postmenopausal women, much like estrogen (7). However, Raloxifene does not have the severe side effects of estrogen, such as increased risk of uterine...

• Word Count: 3699
• Approx Pages: 15
• Has Bibliography
• Grade Level: Undergraduate

... Testing for Late Onset Diseases It is possible to test individuals for a late onsetting disease before the first symptoms are seen. Huntington's disease, familial Alzheimer disease, familial Coulomb cancer, or familial breast cancer are all examples of late on setting genetic disease. No symptoms are seen until late adulthood. Testing for these late onsetting diseases is theoretically different from testing for predisposition ... the disease defining mutations. For example, a woman carrying dominant mutation of BRCA-1 gene has a penetrance rate of 50% by age 50, and 85% throughout life....

• Word Count: 3160
• Approx Pages: 13
• Has Bibliography

... Testing for Late Onset Diseases It is possible to test individuals for a late onsetting disease before the first symptoms are seen. Huntington's disease, familial Alzheimer disease, familial Coulomb cancer, or familial breast cancer are all examples of late on setting genetic disease. No symptoms are seen until late adulthood. Testing for these late onsetting diseases is theoretically different from testing for predisposition ... the disease defining mutations. For example, a woman carrying dominant mutation of BRCA-1 gene has a penetrance rate of 50% by age 50, and 85% throughout life....

• Word Count: 3231
• Approx Pages: 13

... experimentation, warnings and further research were delayed for years while thousands died and thousands more commenced a seemingly unhazardous activity. Animal studies failed to demonstrate that asbestos caused cancer, but human clinical investigation had already strongly indicated that it did. Crucial genetic, molecular, and immunological differences between humans and other animals prevented animal models from serving ... consumption and cirrhosis is indisputable in humans. Animal studies on the genetic defeats of inherited diseases have also proved unreliable. Mice models of cystic...

• Word Count: 3082
• Approx Pages: 12
• Grade Level: Undergraduate

... environment initiates a change in the genes function) which are incorporated into the cell during transduction. Alternatively oncogenes are formed by a mutation of a gene already present in the cell. Oncogenes cause cancer by increasing the growth of cells. This is achieved by the oncogene encoded product interacting at several points in the growth factor, receptors and signalling pathways which stimulate cell growth ... sometimes made continuous. Tumour suppressor genes have a slightly different effect as they are present in the body normally; it is the inactivation of such genes by muta...

• Word Count: 3615
• Approx Pages: 14
• Grade Level: High School

... other is active. i.e.: New born babies are immune to many diseases as they have gained protection passed onto them from their biological mother and or via breast milk (4). This is an example of passive immunity, where immunity has been acquired through transfer from a person to another. However, passive immunity is only ... vaccination is taken at the time when it will be most beneficial for the body (13). For instance, the HPV vaccine for protection of cervical cancer is suggested for 12 years old girls, as it is most effective to take it at that age (13). Dr Helen Petousis- Harris, a ....

• Word Count: 6040
• Approx Pages: 24
• Has Bibliography
• Grade Level: Undergraduate

... and Haiti began to show signs of what researches later named AIDS. In the year 1981, researchers thought this disease was found in only gay men therefore calling it "gay cancer or gay-related History of AIDS 9 immune deficiency", (So little time... 1998). When heterosexual men and women began developing these same symptoms, they realized that it wasn't only a gay man ... , but he refused to change his lifestyle. Only after his sexual relations did, he informs his History of AIDS 10 partners that he had AIDS by saying, "I've got gay cancer; I'm going to die and so are you" (Grmek, 1990, p...

• Word Count: 2868
• Approx Pages: 11
• Grade Level: High School