Pieter Cohen

speaker

130 appearances 1 recordings 1 series first heard Jan 2026 last heard 9 Jan

Pieter Cohen’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 1 in all, peaking in Jan 2026 with 1.

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Freakonomics Radio · 658. This Is Your Brain on Supplements · 9 Jan 2026 podcast

Yeah, so with omega-3, what's very interesting is that in cohort studies, so groups of people who have diets that are very rich in omega-3, a lot of fatty fish and other omega-3 foods, there's a lower incidence of Alzheimer's disease in those populations.

So it's a natural thought.

But in this situation with omega-3, it has been studied, I believe, up to five years in duration.

and no benefit of omega-3 supplementation to improve cognitive function.

It probably says a lot because this reductionist approach to nutrition might not be the most beneficial.

So if we're just reducing herring,

to its omega-3 content.

There's a lot of other things going on, exciting things when it comes to herring.

we would find thousands of different compounds.

Some of those would be, you know, fascinating to study and they're all combined together.

With food, there's also the tradition of how we eat it, right?

Like with the herring, how is it preserved?

Is it in vinegar or the sugar?

And how do those preservatives affect either positively or negatively?

And then, of course, what are we putting the herring on?

Right.

So a lot's going on there.

I think that what we've learned from decades of high-quality studies is

is that it's really the details that matter.

It's not so much the origin of something.

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