is tobacco considered a substance Chemicals in Cigarettes and Tobacco:

Condition: Little to no dings or scratches on body, neck or headstock, some minor pickguard swirling only visible at certain angles

The number of nicotine users who were identified as never smokers (they had smoked fewer than 100 cigarettes in their lifetime) more than doubled from 478,800 to 1,001,100 Canadians

We are reminded of the vigor and resourcefulness of genes by the AIDS crisis

These resistant hookworm species are now spilling over to the pet dog population

Individual genetic differences, especially in the CYP2A6 gene, significantly influence how nicotine affects addiction risk and overall impact on the body

2017;12 doi: 10.1371/journal.pone.0178435