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.

DEAR DR. ROACH: I have a good friend who is almost 77 years old. He was a heavy smoker until about 14 years ago. He decided ...

Adverse effects of nicotine-replacement therapy are relatively minor (such as mouth and throat soreness) compared to smoking ...

Just a year after he became chief executive officer of Philip Morris International Inc., Jacek Olczak swooped on rival ...

Dear Dr. Roach: I have a good friend who is almost 77 years old. He was a heavy smoker until about 14 years ago. He decided ...

I have a good friend who is almost 77 years old. He was a heavy smoker until about 14 years ago. He decided to quit smoking ...

I have a good friend who is almost 77 years old. He was a heavy smoker until about 14 years ago. He decided to quit smoking and used ...

The Denver City Council voted Monday to ban sales of nearly all flavored tobacco and nicotine products in city limits.

Just a year after he became chief executive officer of Philip Morris International Inc., Jacek Olczak swooped on rival nicotine pouch maker Swedish Match in a $16 billion deal.

I have a good friend who is almost 77 years old. He was a heavy smoker until about 14 years ago. He decided to quit smoking and used nicotine gum to help with this process. It’s my understanding that ...

UCSF is home to the world’s largest archive of Big Tobacco’s internal documents. Meet the physician deciphering its pages to ...

We have some holiday cheer for parents of teens: In the US, teen drug and alcohol use is continuing to stay low in the ...