When you place one in your mouth, nicotine gets absorbed slowly through your gum line
Some of these chemicals are known to be harmful, including formaldehyde, acrolein, and benzene
In many cases, people choose them because they want: less harshness in the throat less strong smell on the breath or fingers a different taste profile reduced exposure to some smoke chemicals (not total removal) Still, the exact results depend on the product design, the amount of carbon, and how the filter is used
The law allowing smoking at more than half of Japans restaurants as exceptions is inadequate, said Hiroyasu Muramatsu, a doctor serving on Tokyos anti-smoking committee
Santa Monica: Angel City Press, 2008
"Assessment of the release of metals from cigarette butts into the environment"