Once is enough: Reusing seed oils could pose health risk, scientists say

Food deep fried in the same seed oil over and over can damage the liver and colon and even lead to neurodegeneration, according to new research. — dpa

WHETHER or not oils such canola, rape or soyabean are unhealthy is a matter of sometimes furious debate.

But evidence is piling up that eating processed food and snacks – which invariably are made using such seed oils – is almost certainly unhealthy, as is reusing oil that has already deep-fried food, a common practice in homes and restaurants.