Chen, Annie T., Shu-Hong Zhu, and Mike Conway. "What online communities can tell us about electronic cigarettes and hookah use: a study using text mining and visualization techniques." Journal of medical Internet research 17.9 (2015): e220.

This study investigates the growing popularity of electronic cigarettes (e-cigarettes) and hookah, aiming to clarify the confusion and uncertainty surrounding appropriate regulatory responses for these emerging tobacco products. By employing text mining techniques on online discussion forums, the research seeks to uncover insights from consumer experiences with e-cigarettes and hookah. This novel approach facilitates a deeper understanding of the products' use and appeal, which could inform future health policy and regulatory strategies.