Participants will provide a sample of their saliva, urine, cheek swabbing, gum plaque, and blood at three study visits over two years and answer brief monthly surveys for two years. They will also need to complete a spirometry test and blood pressure measurement. Eligibility requirements are online.
Compensation is up to $50 per visit for time and travel, and participants will receive a free Fitbit Charge 2 that is theirs to keep.
For more information, contact the study coordinator at vapors@jhu.edu or 410-855-5726.
