What dripped out at the end was a slab of bubbling oil that looked a lot like snot, which was then purified to some extent, perhaps by putting it into a vacuum oven, soaking it in ethanol, or in more amateur cases by throwing it in the freezer or over boiling water
While the benefits of quitting smoking are vast, long-term smoking (1020 years) can cause chronic obstructive pulmonary disease (COPD), which includes chronic bronchitis or emphysema, from which the lungs never fully recover or heal
Sources: Adejumo, Adeyinka Charles, et al
After decades of epidemiological studies, it is now established that this second deception of filter ventilation/light cigarettes created greater harm by increasing and deepening inhalation, increasing cigarette consumption, leading to greater exposure to tobacco carcinogens