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For example, in a 2-cluster solution, the probability of a certain country (e.g., Belgium) belonging to cluster 1 can be 0.9 so that the probability of this country belonging to cluster 2 is 0.1

This blog explores quitting fatigue, fear of relapse, and the behavioural psychology behind smoking - while explaining how the QuitSure app helps smokers understand addiction differently

By law, the FDA cannot name the four products that were rejected or their manufacturers

As of March, 2021, more than 250 reports of e-cigarette-associated seizures have been submitted to the FDA, a majority occurring in youth or young adults