

They’re not separating data throughly. Researcher Yifang Zhu, over many publishings, mainly gathers and publishes raw findings. Such as… (summarizing) “Children are at risk due to immature respiratory systems and faster breathing rates… by traveling in diesel powered school buses in my South Texas study.”
Source- https://scholar.google.com/citations?view_op=view_citation&hl=en&user=kvSIKM8AAAAJ&cstart=20&pagesize=80&citation_for_view=kvSIKM8AAAAJ%3A5nxA0vEk-isC
My dad’s 1978 house fell-through when he tried to use this weatherization\effeciency\free repair program back in 2005. The local overseer company could only “gift” one single family house per month. The applicant list was +5,000 homes long. Funds were exhausted in less than 1 year… so that’s like 11 or 12 homes that got what they needed.
Everyone else got: weather stripping, faucet areators, 2 smoke alarms, window repair glue, 5 (max) compact florescent bulbs, 1 “air filter” for your ac\furnace (it was garbage fishing troller net precut filter floss), an attic inspection, a house pressure air leak test, and one tree removal referral (never happened).
The team that came to the house was professional though. Protective gear, professional testing equipment, They mentioned half received minimum wage, half volunteers.
In the end, the bad roof and single-pane windows remained.