KNX In Depth's Charles Feldman and Rob Archer discuss a new study that finds using too much marijuana is linked to several complications after major elective surgery such as blood clots and even a stroke. With us is Dr. Paul Potnuru, first author of the study. He's an anesthesiologist at UTHealth Houston. 

<p>KNX In Depth's Charles Feldman and Rob Archer discuss a new study that finds using too much marijuana is linked to several complications after major elective surgery such as blood clots and even a stroke. With us is Dr. Paul Potnuru, first author of the study. He's an anesthesiologist at UTHealth Houston. </p>
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