MADRID (AP) — Noelia Castillo, a Spanish woman who sought euthanasia and fought a protracted legal battle with her family over her right to do so, received life-ending medicine on Thursday in Barcelona. She was 25. EDITOR’S NOTE — This story includes discussion of suicide. If you or someone you know needs help, international helplines can be found at www.iasp.info/suicidalthoughts . For a year and a half, Castillo pursued her right to die after her father put up a lengthy legal battle when a