Complex sentence: Her obsession stems from her youth, as she and her parents lived in the slums filled with poverty and hunger, and her parents died from malnutrition, and she considers bean sprouts to be good food for the poor to live on.
Split into simpler sentences: Her obsession stems from her youth, as she and her parents lived in the slums filled with poverty and hunger. Her parents died from malnutrition, and she considers bean sprouts to be good food for the poor to live on.