: Smoking within 5 minutes of waking indicates high dependence. Daily volume : Smoking more than 20–30 cigarettes daily.

Smoking is the primary cause of most lung cancers and chronic obstructive pulmonary disease (COPD).

Counterfeit diagnostic cables are rampant. Cheap clones from online marketplaces often use substandard opto-isolators and voltage regulators. When a cable is "Voycom Heavy Smoking Verified," the community implies that the hardware has passed a rigorous peer-review process. This includes: