Tefillin are placed near the heart—but what if the heart is on the opposite side?

This source-based Torah study examines: Tefillin are placed near the heart—but what if the heart is on the opposite side? It follows the canonical Hebrew discussion through the parasha and classical Jewish sources. This localized discovery layer is a concise summary rather than a full translation of the article; practical, halakhic, medical, legal, historical, mystical or empirical claims remain source-framed and subject to the canonical review status.