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However, these regulations do not extend to e-cigarettes

Types of Samples Cotinine can be measured in several biological specimens: Testing Methods Immunoassays (ELISA, rapid tests) Quick, inexpensive Can be qualitative (yes/no) or semi-quantitative Common in clinical and workplace screening Chromatography-based methods (GC-MS, LC-MS/MS) More accurate and quantitative Can distinguish nicotine from cotinine and other metabolites Used in research or forensic settings Interpretation of Results Cutoff values vary by lab and context

The harmful chemicals in tobacco smoke can interfere with the normal functioning of the endocrine system, which is responsible for hormone regulation

Then, gently light it and let the smoke glide into your throat as a blissful puff