Now this is a real conspiracy

When debating a link between autism and vaccinations, people who believe in such a link always claim that there is a big conspiracy to hide the evidence for such a link. This is of course nonsense, as there is no proper scientific studies that shows such a link (there are a couple of very flawed studies that shows one, but those were financed by people with an economic interest in showing such a link).

Now, I noticed in PLoS Biology an article about a real such conspiracy, which wants to hide how some toxins can be linked to some diseases.

The Toxic Origins of Disease by Liza Gross.

As all skeptics, I am always weary of believing in conspiracies, but if you have a case where all industrial studies show one result and all independent scientific studies show a different result, there is something very wrong.

It is worth noticing that the people who are raising this issue is the scientists.

Make sure that you also read the box about "skeptics for hire", which explains how this isn't an unique case.