It should be understood that when a research is not scientifically proven with the right process,tools and other a normal or certain condition, it is described as an assumption.
In this case, Gene outcome about the plants can only be concluded as assumption because it is not proven by scientific processes or procedures.
The person receiving the skin after the burn would be given these drugs most of the time because they dont want a ton of blood coming out of your body as your panicking or just sitting there feeling the pain which will make your heart beat faster in result of blood all over the place.