Sandra Demontigny was afraid of being a prisoner in her own body: a 45-year-old diagnosed with early-onset Alzheimer's, she worried about losing control of her life and burdening those she loves for years. But the Quebec resident said she is now "more zen" after the Canadian province approved advanced requests for medical assistance in dying (MAID), its voluntary euthanasia program. IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES