Most of the other placebos on the market have the potential to cause actual harm of the financial and/or physical sort (see for example homeopathic teething dro

Most of the other placebos on the market have the potential to cause actual harm of the financial and/or physical sort (see for example homeopathic teething drops that contained toxic levels of Belladonna [0]), at least breathing is relatively inexpensive and mostly harmless. 0: https://www.forbes.com/sites/brucelee/2017/01/28/fda-toxic-belladonna-in-homeopathic-teething-products/?sh=72f077d240dd https://www.forbes.com/sites/brucelee/2017/01/28/fda-toxic-b...