·S1 E14

Avoid These Fats If You Care About Your Arteries

September 30

1h 59m

Episode Description

Time Stamps:

00:00 - Is saturated fat really the main culprit in heart disease?

02:07 - Heart disease was rare in the 19th century

07:15 - Sir William Osler and the first U.S. heart attack cases

18:07 - Coronary deaths explode from 1912 through the 1970s

25:16 - Seed oil consumption rises alongside heart disease

28:33 - Smoking decline, medical advances, but heart disease remains #1 killer

35:18 - How atherosclerosis develops and the role of oxidized LDL

46:43 - Linoleic acid makes LDL vulnerable to oxidation

53:38 - Why LDL alone cannot explain heart disease trends

58:22 - PUFA instability and lipid peroxidation risks 1

:05:16 - High cholesterol but zero heart disease: Chris's testimonial

1:11:01 - Processed foods, seed oils, and antioxidant depletion

1:17:45 - USDA data: dramatic rise in linoleic acid since 1909

1:24:23 - Where linoleic acid comes from: seed oils vs ancestral fats

1:28:03 - Saturated fat intake stayed flat while heart disease rose

1:30:04 - Ancel Keys, the lipid hypothesis, and dietary guidelines

1:37:29 - How PUFA lower cholesterol (SREBP and PPAR pathways)

1:44:39 - Cutting linoleic acid lowers oxidized metabolites in weeks

1:53:02 - Seed oils linked to obesity, diabetes, and metabolic dysfunction

1:56:14 - Final takeaways: avoid industrial seed oils, return to ancestral fats