It sounds like you're hypothesizing / gish galloping / strawmanning until you find something that "sticks".
Instead try researching things that support your claim, like the notion that sugary beverages are the main culprit to the obesity epidemic, even though most health experts don't have the evidence to isolate that as the core factor.
https://pmc.ncbi.nlm.nih.gov/articles/PMC9611578/
