While I don't condone anyone intentionally getting food poisoning, your post is exactly what my father did to quit smoking. He contracted a bout of severe food

While I don't condone anyone intentionally getting food poisoning, your post is exactly what my father did to quit smoking. He contracted a bout of severe food poisoning that was so bad he couldn't even smoke. He had been a pack-a-day smoker for decades. He never smoked again.