What else can you do? The only way for someone who really believes in homeopathic medicine to realize that no, you can't cure cancer with essential oils, is for

What else can you do? The only way for someone who really believes in homeopathic medicine to realize that no, you can't cure cancer with essential oils, is for someone they know to die of cancer after not going to the hospital because homeopathy is a cure-all. Replace cancer with whatever disease you want. I'm sure the people who OD on green tea extract supplements figure out that they don't work.