Audit a URL →

Sign in Sign up free

Loading…

Weekly · Sunday Morning

Five longevity claims.
Worth your time.
Every Sunday.

Last Sunday

Rapamycin extends mouse lifespan 9–14%
NAD+ precursors reverse aging in humans
Blue-light glasses improve sleep quality
Walking 10 min after meals blunts glucose
Verdict change — caffeine half-life downgraded

5 audits·1 verdict change·0 affiliate links·Every Sunday

Joining 1,247 readers — founders, MDs, and longevity-obsessed people who fact-check their own health decisions.

Browse

Decisions Claims Content Creators

Product

Audit a URL Sunday roundup API (soon)Pricing

About

FAQ Methodology Editorial Standards Corrections Press & brand RSS feed

Legal

Terms of Service Privacy Policy DMCA

Finally, something serious in this space.
Because we actually read the papers.

© 2026 Whalespan. Independent, evidence-graded longevity.

Controversial Thoughts: Linoleic acid makes you fat and dead faster! — Whalespan

Content›Video›Controversial Thoughts: Lino…

Controversial Thoughts: Linoleic acid makes you fat and dead faster!

Paul Saladino20m · 2020-08-27

Claims Made

28

Claims Supported

14

Support Rate

50%

Support rate

14 of 28 claims supported

14 supported14 partial / not

Claims from this content

23

✓Well SupportedIn metabolically unhealthy individuals, carbohydrates can be problematic and should be eliminated, but they do not cause weight gain in metabolically healthy individuals.✓Well SupportedHuman trials indicate increased cardiovascular risk with seed oils.✓Well SupportedIn a six-month trial, diets with higher fat and lower carbohydrate content resulted in less weight loss than diets with lower fat and higher carbohydrate content in metabolically healthy adults, despite being isocaloric.✕Not SupportedDiets higher in soybean oil were associated with less weight loss in a hypocaloric study.Partially Supported

Discussion

Native comments, Twitter mentions, and Reddit threads about this content — surfaced together so the conversation isn't fragmented across platforms.

M

Share your read of this content…

Posting publicly as you · linked to your social profiles

Sort by:

AV

A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

NP

N. Park

2d

Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

◐

Peanut, soybean, olive, corn, sunflower, flaxseed, safflower, and rapeseed oils are high in linoleic acid.

✕Not SupportedPolyunsaturated fat (PUFA) is detrimental to humans, causing fat cells to grow and leading to metabolic dysfunction.

◐Partially SupportedReducing linoleic acid intake is a key strategy for resolving underlying metabolic dysfunction and enabling carbohydrate tolerance.

✕Not SupportedExcessive intake of polyunsaturated fats, particularly linoleic acid, is associated with increased cancer risk and mortality.

◐Partially SupportedIndividuals struggling with weight loss may benefit from eliminating chicken and pork from their diet.

✕Not SupportedReplacing saturated fat with linoleic acid from safflower oil in post-coronary event men increased all-cause mortality, cardiovascular mortality, and coronary heart disease mortality.

✕Not SupportedExcess omega-6 polyunsaturated fats, specifically linoleic acid from vegetable oils, are detrimental to human health.

◐Partially SupportedLinoleic acid causes weight gain by signaling to fat cells to expand.

◐Partially SupportedIn an iso-caloric study with insufficient calories for weight maintenance, individuals consuming more carbohydrates and less linoleic acid lost the most weight.

◐Partially SupportedThe Sydney Diet Heart Study showed replacing saturated fat with omega-6 linoleic acid from safflower oil led to adverse outcomes in men with coronary events.

◐Partially SupportedConsuming desiccated organs and animal fats while avoiding vegetable oils and excess corn/soy-fed foods is recommended for nutrient intake.

◐Partially SupportedHigh stearic acid suet may help shrink fat cells.

✕Not SupportedSubstituting animal fat with margarine in men with a history of coronary events led to increased overall and cardiac mortality.

◐Partially SupportedPure polyunsaturated fat (PUFA) interventions, excluding mixed omega-3 and omega-6, suggest PUFAs may lead to worse outcomes compared to control groups without increased PUFA.

◐Partially SupportedThe diets in the Chinese feeding trial were isocaloric, negating the 'calories in, calories out' argument for weight change.

◐Partially SupportedSome older studies using mixed omega-3 and omega-6 PUFA interventions showed PUFA to be better than control, but these were not pure PUFA interventions.

✕Not SupportedThe Oslo Diet Heart and Los Angeles Veterans studies had design flaws and changed multiple variables, making their results unreliable for assessing PUFA impact.

✕Not SupportedLinoleic acid promotes the growth of fat cells, contributing to metabolic dysfunction.

✕Not SupportedPolyunsaturated fats (PUFAs) are detrimental to humans.