3 ms·Any greater risk of cancer than when bars used to allow smoking?by SturgeonsLaw 4y agoAny greater risk of cancer than when bars used to allow smoking?defrost 4y agoYes.stefs 4y agoiirc the comments from the previous articles on this topic, then yes. storing the capsule a few meters away for extended periods of time will cause leukemia - a lot faster than smoke will cause lung cancer.