Smokers inhale more tar, nicotine and carbon monoxide when measured with WHO method RIVM has measured the amount of tar, nicotine and carbon monoxide (TNCO) in all filter cigarettes sold in the Netherlands with the WHO Intense method.
RIVM: seven e-cigarette flavourings with tobacco-taste pose health risk The Dutch government only wants to allow 23 e-cigarette flavourings with a tobacco-taste. RIVM examined whether these 23 flavourings are harmful to people’s health.
Further research into hazards posed by e-cigarettes Safety of nicotine-containing electronic cigarettes (e-cigarettes) cannot be confirmed because of the limited amount of published research in this area.