> "While unable to prove causality..." Nutrition science (imo) is doomed if researchers don't take establishment of causal connections seriously. If they decla

> "While unable to prove causality..." Nutrition science (imo) is doomed if researchers don't take establishment of causal connections seriously. If they declare that they haven't causally connected drinking black coffee with reduction in heart failure, we're left with having to make a random choice between drinking coffee or not drinking coffee, ... i.e. the information is useless to us. What's the purpose of this research then?