Linoleic acid (the most detrimental component of seed oils) has a half life of ≈ 4 years but that is for what has accrued in the flesh and fat stores of the body. I’m not sure about direct consumption as your body excretes PUFA’s that end up at the natural end point on the skin’s surface, ...

The nutrition from ruminant meat should help pretty quickly. I’ve heard various things about rate of PUFA clearance, which depends on things like: bodyfat percentage, how much PUFA you ate and for how long, probably age and gender, activity level, and what the new diet is. I’ve heard the half-li...