In 1952, the Kent cigarette brand introduced a filter called "Micronite" in response to growing concerns about cancer related to tobacco consumption. This filter is made from asbestos, a g... See moreIn 1952, the Kent cigarette brand introduced a filter called "Micronite" in response to growing concerns about cancer related to tobacco consumption. This filter is made from asbestos, a group of natural mineral fibers, which contains amianthus crocidolite fiber, one of the most dangerous and carcinogenic forms of asbestos. At that time, the risks posed by this mineral were unknown, where when inhaled in micro doses, this fiber will remain in the lungs and be difficult to eliminate, increasing the risk of serious lung disease, including cancer. These filters continued to be used for about 4 years, until their dangers were discovered, and several decades later complaints emerged from people developing asbestos-related illnesses after smoking Kent cigarettes.
