The chemical composition of cannabis smoke and the plant material itself is slightly different. The Amount of THC is going to be the same. Plus there will be a synergistic effect when you consume a combination of drugs. For instance eating San Pedro or Peyote will bring about nausia and diureha, however by adding cannabis which aids in nausia relief will help to reduce it as well as increase the intensity of the experience. Not only that by adding nutmeg which has been prescribed in herbal medicine for diureha should act as a thickening agent to relieve the diureha. Plus addition of decent amounts of vinegar, ethanol, and olive oil should aid in the release of the components during long slow cooking.