If a critically ill person gave a gift and recovered, can he revoke the gift?

This source-based Torah study examines the question: If a critically ill person gave a gift and recovered, can he revoke the gift? It follows the canonical Hebrew discussion through the parasha and classical Jewish sources. This localized layer is a concise discovery summary rather than a full translation of the article body; practical, theological, legal, medical, historical, mystical or empirical claims remain source-framed and subject to the canonical review status.