Vaping and sport?

Hi everyone I love rugby. I m about 2 years from being offered a PROFESSIONAL contract through my local province. Rugby is my life and dream and I d never do anything to geopordise that. But I heard if you have no nicotine in a vape pen then it does no harm. Is this true? Will it affect my game or is it even just... show more Hi everyone I love rugby. I m about 2 years from being offered a PROFESSIONAL contract through my local province. Rugby is my life and dream and I d never do anything to geopordise that. But I heard if you have no nicotine in a vape pen then it does no harm. Is this true? Will it affect my game or is it even just bad karma? Thanks everyone
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