scientific name for tobacco plant Nicotiana glauca Nicotiana tabacum - an overview

Cotinine is more stable in the body, making it a good indicator of tobacco use, but nicotine can be converted into cotinine and back again, making the anabasine test essential for smokers who have quit with NRT

HIV is a virus that weakens your immune system by killing CD4 cells, which are a type of immune cell

People over 65 are the least likely to smoke just 8.5 percent of them do

Although the New England Colonies and Middle Colonies are not usually associated with slavery, they all kept slaves to greater or lesser degrees

I was going back to Germany from Dubai, so I had the chance to visit Dubais duty free

The men conferred with each other in a foreign language and then one said they would allow him to go if he said there was nothing in his car