Filter size and carbon amount: More carbon and longer path length often increase the chance of trapping certain chemicals
Association of metals (Cd, Fe, As, Ni, Cu, Zn and Mn) with cigarette butts in northern part of the Persian Gulf
While technically there are many other drugs that lead to addiction and drug use prior to people ever trying marijuana, for many people marijuana is the first illicit drug they use (next to underage drinking.) Marijuana (also called weed, pot, dope, or cannabis) is the dried flowers and leaves of the cannabis plant
Others like something more neutral
They also note that smokers may use e-cigarettes in places where traditional tobacco smoking is not allowed, thus encouraging them to keep smoking instead of quitting
It can cause heart, lung, stomach, and fertility problems, raise your blood pressure, and weaken your immune system