Alternative or complementary medicine could be less secure than Big Pharma...

http://www.npr.org/sections/health-shots/2015/07/31/428016419/toxic-lead-contaminates-some-traditional-ayurvedic-medicines?utm_medium=RSS&utm_campaign=shotshealthnews

http://www.maneyonline.com/doi/abs/10.1179/2049396715Y.0000000009