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Primary brain tumors include any tumor that starts in the brain. Tumors may be confined to a small area, invasive (spread to nearby areas), benign (not cancerous), or malignant (cancerous. Tumors can directly destroy brain cells. They can also ind...
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Hereditary Mutations: Are You at Risk?Your body is always changing.
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In a strict sense, mutations are changes in genes not caused by genetic recombination. A change in the base sequence of DNA , for example, represents a mutational change.
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