Previous studies have already shown that under the influence of cigarette smoke, the GSH/GSSG ratio is reduced in plasma (Moriarty et al., 2003), heart, and liver (Montiel-Duarte et al., 2004), and other studies indicate a reduced level of GSH in lung (Camera et al., 2019)
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2008 doi: 10.1177/0269881108089580
Hypertension was defined as ever told you had high blood pressure or currently taking prescribed medication for high blood pressure (HBP). Diabetes was defined as doctor told you have diabetes, two-hour glucose oral glucose tolerance test (OGTT) (mmol/L) 11.1, or fasting glucose (mmol/L) 7.0. Prediabetes was defined as ever told you have prediabetes, two-hour glucose (OGTT) (mmol/L) = 7.811.1, or fasting glucose (mmol/L) = 6.16.9. Smoking status was classified as non-smokers (never smoked or quit smoking for more than 1 year) and current smokers (currently smoking, smoked more than 1 day in the past 30 days, wake up to smoke, or smoke more than two cigarettes per day after quitting)