My definition a sport requires athleticism to determine a winner . Wrestling uses athletes to put on a performance and entertain . A script determined the winner . Many Broadway actors are athletic and put on a performance and entertain . A script determined the ending . Therefore , acting in an opera is a sport . <| sep |> Purpling of the stems is often a natural genetic trait in many strains as they mature . By itself it means nothing . But if you also have weirdly discolored dying leaves it can indicate a phos deficiency deficiencycannabis Since you don ' t have leaves like that , I ' d say its not phos . Magnesium deficiency deficiencycannabis is a possibility , but hard to tell as you don ' t show a close up of affected leaves . If its a general yellowing the whole leaf , not the margins of some of the lower leaves , then she may just need a little nitrogen . Are you feeding any nutrients ? What ' s the soil composition ? Have you taken PH readings ?