> You only need anecdotes to prove that it's not bullshit.
Oh dear. No. That's not true at all. Suppose I have back pain. Then I eat some dirt. Then I feel better. Then I start claiming that dirt ingestion cures back pain. Someone would be well within their rights to call that bullshit, despite my anecdote. Even if I could find a dozen people who had the same experience, it would still be bullshit.