Can't remember where I heard it, but a nutritional researcher was complaining on a podcast that there is little to no funding for this work, the cohorts are rid

Can't remember where I heard it, but a nutritional researcher was complaining on a podcast that there is little to no funding for this work, the cohorts are ridiculously small, the research itself is sub-par, and many other issues. Which makes sense because of all the conflicting data out there.