do cigarettes really cause lung cancer Aetiology: Crucial clues | Nature

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Chronic Obstructive Pulmonary Disease (COPD), which is a large category describing lung disease, is commonly seen in smoking patients, specifically emphysema and bronchitis

These steps prevent exposure to HCV: Avoid contact with blood (wear gloves and clean spills with bleach) Do not share needles or other equipment for injecting drugs Do not share razors, toothbrushes, nail clippers, or glucose monitors that might have come in contact with another person's blood Do not get a tattoo or piercing from an unlicensed facility or informal setting Do not have unprotected sex If infected, do not donate blood

Radiation therapy uses concentrated beams of radiation to destroy cancer cells