A Study to Examine the Effects of Exercise in Reducing Lung Cancer Risk in Long-time Smokers

Official Title

The BE FIT Study: Feasibility of an Exercise Intervention on Microbiome and Immune Function
in a High-Risk Cohort for Lung Cancer


The purpose of the study is to examine the effects of exercise on long-term smokers in reducing lung cancer risk.

Could this study be right for you?

  • Males and females aged 55 to 77 years old
  • Current or former smokers with a 20-pack year smoking history (equals 1 pack a day for 20 years, 2 packs a day for 15 years, etc) and smoked within the last 15 years
  • Sedentary Lifestyle: fewer than 60 minutes of participation in moderate intensity physical activity each
  • Health Status: participants must be free of severe heart, respiratory (e.g. COPD), or systemic disease that would make moderate intensity exercise participation unsafe
  • Not currently undergoing cancer treatment
  • Not currently taking  Immunosuppressants, bisphosphonates, steroids, or probiotics
  • No plan to change smoking status


Age Range

55 - 77 years