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.
Long-term symptoms more common after Lyme disease More than a quarter of people with Lyme disease continue to have long-term symptoms that lead to limitations in daily life even after treatment.