An article in The Independent highlights how funding of scientific research seriously obstructs the notion that "a good scientist should follow the evidence wherever it leads."
This confirms my view, which I already discussed, that science is subservient to financial and political interests.
Update: it appears others share my comcern.
Update II. Also, medical guidelines can be refuted on non-scientific grounds, merely because they appear uncomfortable to certain individuals that may lose income according to Orac.