One primary endogenous source of ROS is the enzyme NADPH oxidase (NOX), which catalyzes the transfer of electrons from cytoplasmic NADPH to molecular oxygen, resulting in the formation of superoxide anions that react with NO to form peroxynitrite, a highly unstable species that can generate further ROS [21,22]
Why Cotinine Is Preferred Stable : Lingers in the body longer than nicotine Reliable : Directly tied to the amount of nicotine absorbed Specific : Doesnt appear in the body unless theres nicotine exposure Other options like anabasine or nicotine itself are harder to measure and clear too quickly to be useful for most testing
Products such as nicotine patches, gum, lozenges, inhalers, and sprays all offer an alternative to tobacco smoking
However, smokers have a significantly higher risk of developing renal cell carcinoma, the most common type of kidney cancer
Lung cancer, heart disease, and low birth-weight babies are the most well-known and troublesome
Many perceived benefits are actually attributable to the relief of nicotine withdrawal symptoms
