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Description
Early in the development of cancer, the abnormal growth of cells begins in one particular location in the body (usually where the cells with DNA damage are located) and produces a tumor
In most homes, what people might call a fire alarm is usually a set of battery- or mainspowered smoke detectors rather than a full system
Cigarette smoke exposure is often chronic, building up day after day and year after year
Occupation status was coded based on self-reported current working status and educational status, resulting in 11 categories
