Joan of Arc heard voices inside her head, but whether they were sent from God, a mental illness, or simply her unconscious mind is up for debate.
Fighting through intense pain and miraculously recovering from her wounds, Joan of Arc led the French army to numerous victories in the 100 Years' War. How did she do it? Was she driven by God, an incredible strength of mind, or was it a brain disorder? Scientists, historians and religious psychologists study the extraordinary life and deeds of this French heroine. Using modern technology and ancient evidence, they attempt to explain how a 19-year-old managed to overcome many hardships and obstacles to become a legendary saint.
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