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.
Meningococcal immunisation recommendations re-examined Meningococcal disease is a very serious infectious disease that can cause meningitis or blood poisoning. Children are immunised against meningococcal serogroup C at 14 months.
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.