Q: Am I at risk for serious complications from COVID-19 if I smoke cigarettes? A: Smoking cigarettes can leave you more vulnerable to respiratory illnesses, such as COVID-19. For example, smoking is known to cause lung disease and people with underlying lung problems may have increased risk for serious complications from COVID-19, a disease that primarily attacks the lungs. Smoking cigarettes can also cause inflammation and cell damage throughout the body, and can weaken your immune system, maki Business