Those with higher levels of para-cresol sulphate, made from para-cresol produced by bacteria in the gut, metabolised paracetamol less effectively than those with lower levels.
A study that compared heart attack victims to healthy volunteers found the heart patients had higher Numbers of bacteria in their mouths, the researchers said.
研究人员说，通过对心脏病人和健康受试者进行比较，发现心脏病人口腔内的细菌数目更多。
3
For dust and associated with microorganism, bacteria and fungi concentration were much higher in winter than in summer.