And that was determined to be a lie: Nicotine Addiction and Smoking: Health Effects and Interventions - https://www.ncbi.nlm.nih.gov/books/NBK537066/
Nicotine Addiction: Neurobiology and Mechanism - https://pmc.ncbi.nlm.nih.gov/articles/PMC7163392/
Nicotine Addiction - https://www.nejm.org/doi/full/10.1056/NEJMra0809890
It's much better than a owner of a broken shark.