Oral mucosal lesions are highly prevalent in the users of chewing tobacco among migrant workers in Kerala a study revealed here. Oral mucosal lesions (OML) were seen in 36.3 percent of the participants and among chewing or smokeless tobacco users 44.6 percent had lesions. The study led by O.P. Aslesh from the Academy of Medical Sciences Kannur began in 2013. It was carried out among male migrant workers most of them under 30 years of age working in factories in parts of Kannur district. The study showed that the prevalence of use of chewing tobacco product was 71.7 percent among