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To put that number in perspective, The National Fire Protection Association (NFPA) claims that air levels of just 400 ppm can cause headaches and nausea in as little as an hour

The gut microbiome is one of the most complex and densely populated microbial ecosystems in the human body, with trillions of microorganisms colonizing both the large and small intestines

The ratios of the geometric means and their 95% confidence intervals (CIs) were obtained by exponentiating the estimates derived from the linear regression models on log-transformed biomarker levels in VOCs

Video Watch an excerpt from Cigarette Blues