AP PSYCHOLOGY

Detailed explanation-1: -Adults who do not smoke and are exposed to secondhand smoke increase their risk of developing lung cancer by 20–30%. Secondhand smoke causes more than 7, 300 lung cancer deaths each year among U.S. adults who do not smoke.

Detailed explanation-2: -In the United States, about 10% to 20% of lung cancers, or 20, 000 to 40, 000 lung cancers each year, happen in people who never smoked or smoked fewer than 100 cigarettes in their lifetime. Researchers estimate that secondhand smoke contributes to about 7, 300 and radon to about 2, 900 of these lung cancers.

Detailed explanation-3: -Secondhand smoke can cause coronary heart disease, stroke, and lung cancer in adults who do not smoke. Because their bodies are still growing, infants and young children are especially impacted by health problems caused by secondhand smoke.

Detailed explanation-4: -Secondhand smoke damages the body in many different ways. Adults exposed to secondhand smoke may experience: Cardiovascular (heart, veins and arteries) disease like high blood pressure, atherosclerosis, heart attack or stroke. Lung problems like chronic obstructive pulmonary disorder (COPD) and asthma.

Detailed explanation-5: -Childhood exposure to secondhand smoke raised lung cancer risk, even for people who never smoked. The more secondhand smoke a child breathed, the more likely he or she was to grow up to have lung cancer.