Sentences with phrase «levels than nonsmokers»

Studies consistently show that smokers have lower plasma and leukocyte vitamin C levels than nonsmokers, due in part to increased oxidative stress [8].

Not exact matches

The levels of nicotine and other chemicals throughout their houses — including the babies» rooms — were about five to seven times higher than in houses of nonsmokers.

In a 2008 study, scientists at the Peninsula Medical School in the U.K. assessed the well - being of nearly 10,000 people over the age of 50 and found that smokers in the group reported lower - than - average levels of pleasure and less satisfaction with their lives than the nonsmokers.

The researchers used blood levels of cotinine, a byproduct of nicotine, as a marker for secondhand smoke exposure in more than 20,000 nonsmokers.