Shabbat 67: The Big Red Tree

When folk remedies don't heal, and might be worse - superstitious nonsense or "darkei haEmori"? Rabbi Meir and the Sages disagree. But Abaye and Rava agree: that which heals is not superstitious. But do the talismans listed in the gemara fit that bill? Plus: Painting a tree with red paint to spur prayers for mercy. And: when we need to reach out and ask for help, with no guilt or shame (and when we need to offer help to those who have reached out).