Shabbat 109 - June 23, 1 Tamuz

Today’s daf is sponsored by Pearl Mattenson in memory of her sister Karen Tendler z”l on the occasion of her 10th yahrzeit.

What things can one do/eat on shabbat for medicinal purposes. What are the criteria for permitting it? Can one soak in a body of water for medicinal purposes? Does it depend on which body of water? The gemara explains all sorts of rememdies that people used in the times of the gemara for various ailments.