smokeless tobacco diseases consumption and its association with risk factors of chronic kidney disease in rural and peri-urban Bangladesh a Typical clinical presentation of

PubMed Central defines social smoking as one subset of nondaily smoking behavior, of smoking primarily in social contexts

The classic case study of epidemiology, chronicled in Steven Johnson's book The Ghost Map, was John Snow's realization that a cholera outbreak was caused by contaminated water

Acknowledgements We thank the LBC1936 participants, the LBC1936 research team who collected cognitive, other psychological and bio-medical data (www.lothianbirthcohort.ed.ac.uk)

In that study, 44 smokers with and without ADHD were reinforced in the form of monetary payment for abstaining from smoking, which was bio-verified and did not rely on self-report