The nurse is assessing a 69-year-old woman's risks for lung disease. the woman states, ìit shouldn't be a problem for me. my husband smokes quite heavily but i've been a lifelong nonsmoker.î the nurse should recognize the need to teach the client about what topic?

In the given case, the nurse should teach the client about the health risks of secondhand smoke, as she is living with a person who smokes heavily, and she herself is a nonsmoker.  

The second coming from burning tobacco products like cigars, cigarettes, or pipes is known as secondhand smoke. It is also considered as the smoke, which has been breathed out or exhaled, by the person smoking. The smoke from tobacco comprises approximately more than 7000 chemicals, including 70 of those, which can cause cancer.  

Some of the health risks associated with secondhand smoke are ear infections, asthma attacks, lung infections like pneumonia and bronchitis, heart diseases, coughing and wheezing, and cancer.