David Gillespie's Fortnightly Briefing
Unfiltered analysis on the hidden threats to your health, focus, and sanity from David Gillespie, bestselling author of Sweet Poison and Toxic At Work.
- Indexed issues, last 90 days
- 7
- Latest publication
- Sep 19, 2026
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- Jul 5, 2026
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The Seed Oil Sleuth - Cooking Fats (opens the original)
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If you want to see the scale of the seed oil problem in Australia, just walk down the cooking fats aisle of your local Coles or Woolworths.You are looking at a wall of liquid fat, and almost all of it is packaged in clear plastic, marketed with pictures of rolling green hills, and stamped with vague promises of “vitality” or “heart health.”David Gillespie's Fortnightly Briefing is a reader-supported publication. To receive new posts and support my work, consider becomin
A Cheap License to Hijack the Teenage Brain (opens the original)
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In the late nineties the attorneys general of almost every US state cornered the tobacco industry. They demanded hundreds of billions of dollars to cover the public health costs of smoking. The resulting Master Settlement Agreement was hailed as a historic victory. Politicians took a victory lap. The press clapped like trained seals. But the tobacco companies were quietly celebrating too. They had just bought a permanent shield against future lawsuits. They simply slapped a few extra cents on a
The Seed Oil Sleuth - GYG (opens the original)
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“Hey David, if I’m trying to eat clean on the run, I just grab the fresh options at GYG. That’s safe, right?”A friend asked me this recently. It’s a fair question. As far as fast food goes, Guzman y Gomez (GYG) is actually one of the better operators out there. They have built an empire on the promise of fresh, real food, free from artificial flavours and preservatives.If you are trying to make smart dietary choices, you probably walk up to a counter like that with a rough plan, avoid the obviou
The Seed Oil Sleuth (opens the original)
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I reckon we have the sugar playbook figured out.When you decide to cut out sugar, the feedback loop is almost instantaneous. You can taste it, you can spot it on a nutrition label (if you know where to look), and if you stop eating it, the scales usually drop. You get an immediate reward for doing the right thing.Seed oils have none of that.They are the ultimate silent assassin. They are tasteless, they are poorly (or not) labeled, and when you cut them out, you don’t magically drop two kilos ov
The Disease of Kings (opens the original)
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We like to think of King Henry VIII as obese, well to the extent we think of him at all. But that wasn’t always the case. As a young man in the early sixteenth century he was famously athletic and slender. When he was measured for armour at the age of 23 his waist was 35 inches. He jousted. He wrestled. But we remember him today as a massively obese king with a waist measurement of 54 inches who had to be moved about with the help of mechanical devices. Then his joints swelled violently. Physici
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