Likutei Sichos, vol 32 Iyar, Rabbi Chaim Wolosow
https://www.torahrecordings.com/likutei-sichos/032/007_001 The Rebbe explains that Iyar, “Ani Hashem Rofecha,” is a unique healing that uproots illness entirely. This power comes from Nissan’s miraculous redemption. The sicha applies this to spiritual healing, showing how one can rise above limitations and attain true inner freedom.