I'm just wondering if natural gas is toxic to our bodies.
We have an old heating system in our house that is not direct vent with Natural Gas. So of course some of the spent and unspent gases end up in the rest of the house. I can smell it from time to time. I would think that the gases would not be too good for us to inhale. I have a hunch that it might be having an effect on my breathing function. Any thoughts?
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