Tobacco kill more than 150,000 people annually in Africa and 250,000 in U.S.Since E-cigarettes appeared on the scene, many assume them to be a safer alternative, because smokers are not inhaling known carcinogens.
But as researchers analyze the contents of e-cigarettes, they are finding that some of them could be as risky as tobacco.

Having already found that cigarette smoking significantly impairs the immune responses of mucosal cells in the respiratory system, we is now looking on how e-cigarette chemicals affect immune responses in smokers' airways.
E-cigarette Flavorings not 'recognized as safe' for Inhalation
But people do not consume e-cigarette flavorings orally, they inhale them. And the potential for toxic......
click for rest, http://ucintor..com.ng/2016/02/e-cigarettes-damage-immune-responses.html#more

Na wa o. So what should we smoke now?

ladyF:
Na wa o. So what should we smoke now?

smoke dried paw paw leaf

Don't smoke at all