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.
Alertness about the Zika virus still needed for pregnant women Since May 2015, there has been a Zika virus outbreak in South and Central America, including the Caribbean. The Zika virus can cause birth defects, including microcephaly (small head size).