Categorizing molecules with broad terms can obscure differences in their effects, as seen with trans fats like CLA and dairy trans fats versus partially hydrogenated trans fats.

“these are just words that humans come up with to categorize these things there's nothing in nature that says you know these two are related in one way and these two aren't related in that same way they're just the words we use to describe these things but they're completely different molecules and different molecules have different effects in our body”