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A news report states: “A study by researchers from Brigham and Women’s Hospital reveals that the incidence of early onset cancers—including breast, colon, esophagus, kidney, liver, and pancreas—has dramatically increased around the world, with the rise beginning around 1990. In an effort to understand why many more people under 50 are being diagnosed with cancer, scientists conducted extensive analyses of available data, including information on early life exposures that might have contributed to the trend. Results are published in Nature Reviews Clinical Oncology. They observed something called the birth cohort effect. This effect shows that each successive group of people born at a later time—e.g., a decade later—have a higher risk of developing cancer later in life, likely due to risk factors they were exposed to at a young age.” Has this steady increase in cancer among people born in each passing decade been caused by exposing these generations to cancer-causing viruses more systematically, or is there another explanation?374 views0 answers0 votes
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