While in New York, he is visiting his 80-year-old mother
The CMS ICD-10-CM tabular list classifies F17.210 within Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99), under the subrange F10-F19 (Mental and behavioral disorders due to psychoactive substance use)
When experiencing this type of acid reflux, it is common to have symptoms of heartburn, regurgitation, and mild chest pain on an occasional basis
Read this review of the Punch Diablo to see how the author describes the smoking experience in thirds
Despite being held at gunpoint, the Cigarette Smoking Man is quite relaxed, informing his would-be killer that he likes Mulder and Scully, which is the only reason that Scully was returned to Mulder after her previous abduction