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 measures much higher levels of tar, nicotine and carbon monoxide in cigarettes Tar, nicotine and carbon monoxide (TNCO) levels measured in accordance with the Canadian Intense (CI) method are at least twice as high as the levels measured in accordance with the prescribed ISO
Harmful substances in e-cigarettes assessed While e-cigarettes are less harmful to health than tobacco cigarettes, the vapour from an e-cigarette contains substances and chemical impurities in concentrations that could be detrimental to heal