One of the critical questions to ask whenever reading a medical journal article is, “Who funded the study?” In most journals, researchers are required to identify their sources of funding, so what’s the problem? Well, researchers can obscure the true origin of financial support: They can hide it, disguise it, or even launder the money through a front group. A case in point is a study downplaying the risks of lung cancer that was funded in part by the Foundation for Lung Cancer: Early Detection, Prevention, and Treatment. That doesn’t sound so bad until you realize it was underwritten by millions of dollars from a tobacco company. There’s no obligation to “disclose a funding source’s source of funding,” which allows “companies to evade financial disclosure requirements” and makes it harder to “follow the money trail.” As I discuss in my video Disclosing Conflicts of Interest in Medical Research , why does the funding source matter? Every single one of eight reviews covering over a ...