While air purifiers are a great solution for removing secondhand smoke, it's important to remember that they are only one piece of the overall strategy

Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia Here's one of 13 warning labels currently used in Australia This computer-generated image, provided by the Minister for Health and Ageing of Australia, shows the proposed cigarette packaging that's stripped of all logos and replaced with graphic images, set to be on Australian cigarette packs in December 2012.

The authors write that things like national ad campaigns against smoking and a tobacco tax probably helped, too
This category was mutually exclusive and exhaustive with respect to all other causes, which consisted of accidents (V01-X59,Y85-Y86), Alzheimer's disease (G30), nephritis, nephrotic syndrome and nephrosis (N00-N07, N17-N19, N25-N27) and all other residual causes [9]
were restoring it and ensuring a safe, healthy environment for your family