article_snippet.sent: Dirk Selmar and his colleagues at the Technical University of Braunschweig, Germany used peppermint plants, which contain minimal traces of nicotine, in a series of mulching and fumigation experiments.
article_snippet.sent: , Germany showed for the that that peppermint plants (a stock image is shown) can take up high concentrations of nicotine from contaminated soils, as well as taking in the drug from smoke .
article_snippet.sent: cats also showed for the first time that that peppermint plants can take up high concentrations of nicotine from contaminated soils.
article_snippet.sent: This is likely because nicotine was taken up by the roots of the peppermint plants and processed in the peppermint plants leaves.
highlights_snippet.sent: Technical University of Braunschweig researchers analysed peppermint .
  
highlights_snippet.sent: Also showed peppermint plants take up nicotine from contaminated soils .
  