If you’ve ever applied for a new job, you may have had to take a drug test. Many federal, state, and private employers require this testing to ensure employees can be trusted to protect important ...

The blood test that detects nicotine is called a cotinine test. It measures recent tobacco use and exposure. Cotinine is a chemical that comes from the breakdown of nicotine in the body. A blood test ...

If you're starting a new job or applying for health insurance, you may be asked to take a nicotine test. Every time you use tobacco, nicotine — a chemical compound found in tobacco — enters your body.

Nicotine itself could clear from your body in a few hours, but its byproduct can linger for days or weeks. Most nicotine tests detect cotinine, which can show up in urine, saliva, blood, hair, and ...

The time nicotine stays in your system depends on how long and how often you’re exposed to it. It also depends on whether you smoked it, chewed it, or inhaled it secondhand. Whenever you smoke ...

Eons before Europeans arrived in North America, Native Americans cultivated the tobacco leaf for ceremonial activities and medicinal purposes for use during prayers and rituals. They presented the ...

Nicotine is a nitrogenous alkaloid that stimulates the parasympathetic nerves. It is highly addictive and is hazardous to health. The determination of the amount of nicotine in tobacco products is ...