The current Surgeon General's warnings for cigarette packages and advertisements, which have not been updated for nearly 35 years despite increasing evidence of additional, serious negative health effects of cigarette smoking, only include warnings on a limited number of health conditions (i.e., lung cancer, heart disease, emphysema, pregnancy complications, and general risks to health) (see section V for additional discussion of the current Surgeon General's warnings)
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"Our study adds to existing evidence showing that e-cigarettes and NRT are far safer than smoking, and suggests that there is a very low risk associated with their long-term use," said Lion Shahab, a specialist in epidemiology and public health at University College London who led the work