Smokefree Environments Amendment Act 2003: The Smokefree Environments Amendment Bill was passed by the Parliament of New Zealand on 3 December 2003. The smoking ban legislation calls for progressive introduction of various clauses to totally ban smoking in all workplaces including offices, clubs, pubs, restaurants, airports, schools etc.Nicotine replacement therapySaliva testing: Saliva testing is a diagnostic technique that involves laboratory analysis of saliva to identify markers of endocrine, immunologic, inflammatory, infectious, and other types of conditions. Saliva is a useful biological fluid for assaying steroid hormones such as cortisol, genetic material like RNA, proteins such as enzymes and antibodies, and a variety of other substances, including natural metabolites, including saliva nitrite, a biomarker for nitric oxide status (see below for Cardiovascular Disease, Nitric Oxide: a salivary biomarker for cardio-protection).Nitrosamine: Nitrosamines are chemical compounds of the chemical structure R1N(-R2)-N=O, that is, a nitroso group bonded to an amine. Most nitrosamines are carcinogenic.SIB-1553ABiomarkers of aging: Biomarkers of aging are biomarkers that better predict functional capacity at a later age than chronological age. Stated another way, biomarkers of aging would give the true "biological age", which may be different from the chronological age.Lights (cigarette type): Cigarettes labeled as “Lights,” “Milds,” or “Low-tar,” are considered to have a “lighter,” less pronounced flavour than regular cigarettes. These cigarette brands may also contain lower levels of tar, nicotine, or other chemicals inhaled by the smoker.Tobacco cessation clinicAnatabineBreath carbon monoxide: Breath carbon monoxide is the level of carbon monoxide in a person's exhalation. It can be measured in a breath carbon monoxide test, generally by using a carbon monoxide breath monitor (breath CO monitor), such as for motivation and education for smoking cessation and also as a clinical aid in assessing carbon monoxide poisoning.Tandem mass spectrometry: 300 px|right|thumb|A [[Quadrupole mass analyzer|quadrupole time-of-flight hybrid tandem mass spectrometer.]]