Smoking History and Habits May Increase Bladder Cancer ... - Curetoday.com
Patients with non-muscle invasive bladder cancer who have smoked or currently smoke may have an increased risk of disease recurrence, according to recent study results. Marilyn L. Kwan, lead author on the study and senior research scientist in the division of research at Kaiser Permanente in Oakland, California, explained that tobacco is a known risk factor for developing bladder cancer, as it accounts for up to 50% of diagnoses. However, the role of tobacco smoking on bladder cancer prognosis is unclear. She and other researchers sought to evaluate this association in a population of 1,472 patients with non-muscle invasive bladder cancer 2.3 months after diagnosis. This included patients who were former smokers (874 patients; 59.4%), current cigarette smokers (111 patients; 7.5%), smoke pipes or cigars only (67 patients; 13.7%), e-cigarettes (65 patients; 4.4%) or used marijuana (363 patients; 24.7%). Results – which were published in the journal JAMA Network Open — demonstrated that ...