Several studies, including those from the National Institutes of Health (NIH) and the World Health Organization (WHO), have demonstrated that smoking weakens the immune system, delays and prolongs wound healing, increases the chance, severity and duration of infections at the wound site, and negatively impacts overall outcomes of surgical procedures and post operative complications
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- Original pages are unevenly foxed (yellowed stained) and so have had colour channels desaturated, and the levels pushed to get a semblance of lightness, but patina/texture of paper pulp grains are just visible in off-white areas, and there may be faintest traces of print-through
Its pretty well known that Walt Disney was a smoker and, in the early days of Disneyland, smoking was permitted everywhere in the park except on the attractions themselves and in their wait queues
Federal mass media campaigns to prevent and reduce tobacco use did earn a grade A