542 karma · joined November 16, 2016
To address your point about the study I linked -- I think you're mistaken. The LA group did have a significant increase in 8-iso-PGF2alpha urine metabolites, and decrease in nitric oxide metabolites. From the study:
> Urinary excretion of 8-iso-PGF2alpha was significantly increased after the LA diet (170 vs 241 ng/mmol creatinine, P=0.04), whereas the urinary concentration of nitric oxide metabolites decreased (4.2 vs 2.6 mg/mmol creatinine, P=0.03).
also
> In conclusion, the high-LA diet increased oxidative stress and affected endothelial function in a way which may in the long-term predispose to endothelial dysfunction.
As for linoleic acid, it does store in adipose issue and cause oxidative stress and inflammation in humans. Below is one of several papers you can find on this.
A high linoleic acid diet increases oxidative stress in vivo and affects nitric oxide metabolism in humans
- fast food
- nearly all processed snacks (chips, cookies, etc)
Cutting out seed oils is a good heuristic even if only to serve as a compass for avoiding foods that are widely accepted to be unhealthy. If you dig deeper, you may come to the conclusion, as I have, that these foods are unhealthy because of the seeds oils in them (in part).