Researchers from the University of Leicester found that tiny chemical molecules from smoking can leave lasting traces in bones, persisting for centuries after death.
'Our research shows that there are significant differences in the molecular features contained in bone of past tobacco users and non-users,' said lead author Dr Sarah Inskip.
Tobacco leaves marks such as 'pipe notches' on teeth, with smoking effects discernible even when the teeth do not survive or are detached.
The study highlights that smoking affects the structure of skeletons significantly, with high potential for detecting tobacco use even hundreds of years later.
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