No side effects have been reported as of 2004 from the use of perfumes, incense, aromatherapy products, pest repellants, or OTCs for external use that contain cedar leaf oil when used as directed.
because it is something un natural and human made that you put into your body. humans are not really meant to consume those kinds of things. just like with all the preservatives and junk that are in...
high-dosage intravenous injections of alkaloids isolated from fritillaria produced pupil dilation, tremor, slowing of the heart rate, and lowered blood pressure in human subjects.