What the DPS is effectively saying is that secondhand smoke DOES cause health problems. They don't want their Medicaid costs going up.
No, what they are 'effectively saying' is that since foster parents receive public monies, they must adhere to the same rules as other public accommodations.
If you haven't seen where the court threw out the study on secondhand smoke because Federal District Judge William Osteen said the "EPA publicly committed to a conclusion before research had begun" and the "EPA disregarded information and made findings on selective information", then either you haven't been around FR long or you have an agenda.