Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Lung Cancer? ?
    ### Response:
    Different factors increase or decrease the risk of lung cancer.
                    		Anything that increases your chance of getting a disease is called a risk factor. Anything that decreases your chance of getting a disease is called a protective factor.   For information about risk factors and protective factors for lung cancer, see the PDQ summary on Lung Cancer Prevention.
    