Of course there are, this is pervasive. This has been done for decades by the tobacco industry, by the meat, dairy and eggs industry and others that try to buy scientific studies that favor their product.
And also by the sugar (possibly the HFCS) industry to shift blame to fats
We basically resort to having beliefs instead of depending on science, with the parent confirming husband own biases in only a couple of words.
When something like 80% of studies on nutrition are either compromised or never confirmed by independent sources, it’s no wonder that people turn to the alternative medicine promoted by Fake News media outlets, no wonder that anti-vaxers are a thing in the 21st century.