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This seemed like a straightforward case of CO poisoning, so I didn't consider any other testing. While this patient has a history and symptoms consistent with severe CO poisoning, emergency clinicians must always remain vigilant for co-intoxicants and comorbidities

Although brain structure and FC have been consistently linked to nicotine addiction, it remains unclear whether they are associated with smoking cessation, which is of great clinical importance

the industry relies on the principle that if they are used at low concentrations and not overtly toxic, theyre acceptable. Its a bit of a grey area, and research is ongoing to identify which flavor chemicals are safest

Characteristics of the cigarettes: tar 6 mg., Nicotine 0.5 mg