Originally Posted by teaser

My big question here is what was the beta-glucan compared to? Is it protective, or is the thing it's replacing harmful? I've seen several studies where mouse chow made with cellulose as the fiber source shortened the lives of mice. When the "control" shortens lives, sometimes the protective effect of an intervention turns out to just be a reversion to the norm.

Not harmful or less harmful is still preferable to the alternative.