![]() Prostate cancer seems to run in some families, which suggests that in some cases there may be an inherited or genetic factor. For example, Asian Americans have a lower risk of prostate cancer than white Americans, but their risk is higher than that of men of similar ethnic backgrounds living in Asia. More intensive screening for prostate cancer in some developed countries probably accounts for at least part of this difference, but other factors such as lifestyle differences (diet, etc.) are likely to be important as well. ![]() It is less common in Asia, Africa, Central America, and South America. Prostate cancer is most common in North America, northwestern Europe, Australia, and on Caribbean islands. ![]() The reasons for these racial and ethnic differences are not clear. Prostate cancer occurs less often in Asian American and Hispanic/Latino men than in non-Hispanic whites. And when it does develop in these men, they tend to be younger. Prostate cancer develops more often in African American men and in Caribbean men of African ancestry than in men of other races. About 6 in 10 cases of prostate cancer are found in men older than 65. Prostate cancer is rare in men younger than 40, but the chance of having prostate cancer rises rapidly after age 50. Researchers have found several factors that might affect a man’s risk of getting prostate cancer. Many people with one or more risk factors never get cancer, while others who get cancer may have had few or no known risk factors. Others, like a person’s age or family history, can’t be changed.īut having a risk factor, or even several, does not mean that you will get the disease. Some risk factors, like smoking, can be changed. Different cancers have different risk factors. And 12th graders should know that developing countries mainly export raw materials and agricultural products.A risk factor is anything that raises your risk of getting a disease such as cancer. Fourth graders must answer that planting trees is the best method to prevent soil erosion. That is somewhat comforting, because it suggests that many of the 80 percent of 12th graders who didn't pass the test would still be able to locate major countries on a map, for example.Įighth graders are expected to know that a common language is most likely to lead to a "sense of cultural unity" among people. "Geography has in fact been left behind," he said.īut as blogger Kevin Drum at Mother Jones points out, the test is quite challenging, and covers a broad swath of material that includes environment and economic development. ![]() "We're just not doing a good job educating people with geography," he said, lamenting that it is the lone core subject for which the Department of Education does not have a dedicated program. Have been expelled from their native countriesįourth graders made modest gains on the test compared to the last time it was given in 2001, but 12th graders slid backward, with only 20 percent scoring proficient this time around.ĭaniel Edelson, vice president for education with the National Geographic Society, said in an interview with the Education Writers Association that he was "disappointed" with the results, but not surprised. Like the climate better in their new country ![]() Worldwide, the greatest number of people who emigrate from one country to another today do so because theyīelieve that moving will help them economicallyīelieve that moving will give them greater religious freedom ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |