بعد 5 سنوات من الإقلاع عن التدخين ينقص خطر الإصابة بسرطان الفم   الحلق  المري  بمقدار النصف مقارنة مع المدخنين
Based on the content, which of these categories does the news article belong to: spiritual, human-rights-press-freedom, business-and-economy, sports, science-and-technology, education, environment, health, art-and-entertainment, or politics? Return only the label without any explanation, justification or additional text.