There are many medical conditions which are labelled chronic - chronic bronchitis, chronic
fatigue syndrome or chronic anxiety for example.
As part of a 1997 settlement, the defendants agreed to shift the burden of proof to themselves regarding general causation of certain illnesses, including lung cancer, chronic obstructive pulmonary disease, chronic bronchitis, chronic
sinusitis, and emphysema.
The most common forms of COPD are chronic bronchitis, chronic
obstructive bronchitis or emphysema, or both.
COPD is an umbrella-term which covers many well-known smoking-related lung diseases including bronchitis, chronic
obstructive airways disease and emphysema - the disease Mr Tapscott was diagnosed with in 1999.
Soot, or particulate matter, can cause bronchitis, chronic
lung disease and irritation of the eyes and throat.