pubic louse is any of much than 100 diseases characterized by excessive, uncontrolled product of abnormal cells, which invade and destroy other tissues. Cancer develops in almost any organ or tissue of the body, just now certain types of crab louse are more lethal than others. Cancer is the leading cause of death in Canada and second provided to heart disease in the United States. Each year, more than 1.2 million Americans and 132,000 Canadians are diagnosed with crabby person, and more than 1,700 deal die from crabby person each day in the United States and Canada. For reasons not easily understood, cancer rates vary by gender, race, and geographic region. For instance, more males have cancer than females, and African Americans are more probably to develop cancer than persons of any other racial and cultural group in North America. Cancer rates to a fault vary globally--residents of the United States, for example, are nearly three multiplication more likely to develop cancer than are residents of Egypt.
        Although people of all ages develop cancer, most types are more ballpark in people over the age of 50. Cancer commonly develops gradually over many years, the result of a daedal mix of environmental, nutritional, behavioral, and hereditary factors. Scientists do not completely generalize the causes of cancer, but they know that certain lifestyle choices can dramatically reduce the risk of developing most types of cancer. Not smoking, eat a healthy diet, and exercising moderately for at least 30 minutes each day reduce cancer risk by more than 60 percent.
        Cancer begins in genes, bits of biochemical instructions composed of individual segments of the long, coiled subatomic particle deoxyribonucleic acid (DNA). Genes contain the instructions to make proteins, molecular laborers that dispense as building blocks of cells, control chemical reactions, or transit materials to and from cells. The proteins produced in...
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