Test strips for detection of Nicotine / Cotinine metabolite amount which will determine whether a person has been exposed to tobacco smoke.

Nicotine, or its primary metabolite cotinine, is most often tested to evaluate tobacco use.
Long-term smoking of tobacco products can increase the risk of developing many diseases including lung cancer, COPD, stroke, heart disease, and respiratory infections.
Long-term tobacco use can also exacerbate asthma and help promote blood clot formation.
In pregnant women, smoking can impair growth of the developing baby and lead to low birth weight babies.