The problem with unlimited information - it's getting harder and harder to tell what's good and what's bad for you:
http://www.vox.com/2015/5/13/8591837/how-science-is-broken
Take a look at the chart that's titled "Everything we eat both causes and prevents cancer". A picture that's worth a thousand words.
We need better science. But I don't know how that's going to happen.