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.
How to distinguish a dual user from an exclusive e-cigarette user RIVM and Maastricht University have identified a combination of factors that can be used to distinguish between exclusive e-cigarette users (vapers) on the one hand and people who smoke both regula
RIVM investigates dangers of e-cigarette At the request of State Secretary Martin van Rijn (VWS), RIVM is carrying out an investigation into the safety of e-cigarettes.