Why is it bad to smoke marijuana when you have a blood thickening disorder?

More clotting: Marijuana increases production of free radicals, deposits tar and other residue in your lungs and introduces carbon monoxide into your system. This produces oxidative stress which increases systemic inflammation and can make your blood clot more easily.If you already have this tendency, your are worsening your health and increasing the chances of having a stroke or other clotting disease.