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Conventional homes use newer model furnaces, which allow the home to be protected from outside conditions while still venting carbon monoxide

In the winter he cleared the snow and ice on my steps (hours before I woke up), and was always sure to add a coat of salt so I didnt slip as I walked to my car

Secondhand smoke exposure goes to 20.4 percent of adults who work indoors, 16 percent are exposed in restaurants and 7.8 percent are exposed to public transportation

Because ethical restrictions have been placed, the data sets are available from the corresponding author on reasonable request (contact Boonsub Sakboonyarat via [email protected])