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Health is the state of physical and mental well-being. Factors work together and affect physical and mental health. A disease is a disorder that affects an organism's body, organs, tissues or cells.
What Causes Cancer? There is no one single cause for cancer. Scientists believe that it is the interaction of many factors together that produces cancer. The factors involved may be genetic, environmental, or constitutional characteristics of the individual. Diagnosis, treatment, and prognosis for childhood cancers are different than for adult.
It has yet to be proved that viruses alone can cause cancer in humans, but scientists estimate that viruses may at least contribute to the development of tumors in about 5 percent of cases. People who have been infected with the hepatitis type B virus are statistically more likely to develop liver cancer than is the general population. Some types of human papillomavirus (HPV) have been linked.
Teachers give homework for various reasons, especially in the early grades. Some do it mostly to track a child's learning and progress, and want to see what the child does entirely on his or her.
Genetic Changes and Cancer. Cancer is a genetic disease—that is, cancer is caused by certain changes to genes that control the way our cells function, especially how they grow and divide. Genes carry the instructions to make proteins, which do much of the work in our cells.Certain gene changes can cause cells to evade normal growth controls and become cancer.
Other non-communicable diseases. Anything that increases a chance of developing a disease is called a risk factor. Risk factors can be part of a person's lifestyle, or substances that a person.
Can bras cause cancer? Bras do not cause breast cancer. Breast cancer happens when there's a problem with the way cells grow inside the body — and no one knows exactly why it happens. The chance of getting breast cancer increases as a woman gets older or if other women in the family have had breast cancer. Some things may protect a woman from getting breast cancer, including maintaining a.