Everything in society is controlled to make it safe, right? Wrong! Herbal medicine can be consumed freely without restriction even if it kills you. Try to buy opiates which can be taken for a lifetime without harm and all sorts of restrictions apply. Drug addicts die of illnesses such as aids and hepatitis. Recent tests were done on an Australian who took Ayervedic medicines. His body had eight times the maximum safe level of lead in it. The mistake he made on a visit to India has ruined his life. Ayervedid herbs are normally contaminated with heavy metals. Whether this part of their "healing" function is not known. Imagine taking lead, arsenic and mercury, daily. In Australia, Indian and Chinese herbs are monitored for dangerous levels of heavy metals. That's where it ends: the efficacy of the "medication" is not tested. You can buy such herbs on the Internet from countries where product quality is not regulated. It is surely time for the herbal medicine mark...