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Hair tests are reliable for long term tobacco use and are primarily used to detect cotinine, maintaining a high level of accuracy for 3 months after stopping smoking and able to detect nicotine use from the hair for up to a year after starting smoking cessation

However, the focus in NZ is on quitting altogether rather than switching to potentially less harmful but still costly alternatives.

Consider placing your daisies in a location that has moderate sunlight all day to prevent bloom scorching, and remember to water the plant at its base

Dont smoke in the bathroom or anywhere else on the airplane

Plasma samples were spiked with 0.05% aqueous formic acid containing a deuterated internal standard of cotinine, extracted with a solid phase resin, and analyzed using LC-MS/MS via multiple reaction monitoring (MRM) to quantitate cotinine