Yet on the whole, the niacin flush is associated with beneficial health effects. Niacin specifically activates the high affinity G-protein coupled receptors, GPR109a and b, which then leads to release of a variety of prostaglandins that results in the flush response.
professional courtesy is something to be given by the off duty officer to an on duty officer not the other way around a working cop may use discretion on minor violations without fear of repercussions this consideration is extended to citizens and certainly can also be extended to off duty cops
Pro forma. The term pro forma (Latin for as a matter of form or for the sake of form) is most often used to describe a practice or document that is provided as a courtesy or satisfies minimum requirements, conforms to a norm or doctrine, tends to be performed perfunctorily or is considered a formality. 1 Accounting.