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.
RSV summer peak possibly caused by declining antibodies during COVID-19 pandemic RSV, or respiratory syncytial virus, is a common virus that causes cold symptoms. In particularly, young children and vulnerable older people are more likely to become seriously ill if they get it.
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.