Learning Center

Will your drug test check for nicotine? Learn about cotinine, the stable metabolite they look for in urine, blood, saliva, and hair, and how long it's detectable.

Have you ever wondered why quitting smoking or vaping can be so challenging? Nicotine is the answer. But what is it, and just how addictive is nicotine?

Nicotine is often associated with cigarettes and tobacco, but this compound also has some other unexpected sources. So what really contains nicotine?

It's important to set goals that help you improve your quality of life. Here are seven ways to help you become the best version of yourself this year!