The T lymphocyte activation pathway. t cells contribute to immune defenses in two major ways: some direct and regulate immune responses; others directly attack infected or cancerous cells.
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They could be a large factor, depending on how the parents view their children and make them feel
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the danger of alcohol can lead to problems of the liver. the danger of using tobacco is cancer, heart diseases. it can tear a family apart little by little. financial problems develops anger issues, etc.
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