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.

The Side of Seed Oils Nobody Talks About — Whalespan

Content›Video›The Side of Seed Oils Nobody…

The Side of Seed Oils Nobody Talks About

Paul Saladino7m · 2025-11-19

Claims Made

16

Claims Supported

15

Support Rate

94%

Support rate

15 of 16 claims supported

15 supported1 partial / not

Claims from this content

14

✓Well SupportedReducing dietary phthalate intake, particularly from avocado and olive oils, can significantly improve health, especially for individuals with hormonal issues.✓Well SupportedThe amount of acrolein in a large order of In-N-Out French fries on a Tuesday afternoon is equivalent to a pack of cigarettes.✓Well SupportedTallow is a preferred cooking fat for potatoes over seed oils, despite concerns about oxalates and lectins in potatoes.✓Well SupportedHigh heat processing of unstable fats in seed oils makes them worse than refining stable fats like beef tallow.Well 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.

✓

Heated vegetable oils, especially in fast food, can break down to form acrolein.

◐Partially SupportedCooking with olive oil degrades its polyphenols, making heat-stable fats like tallow, butter, or ghee more suitable for high-heat applications.

◐Partially SupportedCommon cooking oils like soybean oil, peanut oil, and blends emit benzene, toluene, and other aromatic compounds associated with cancer when heated.

◐Partially SupportedExposure to phthalates in vegetable oils may occur from processing or storage in plastic containers.

◐Partially SupportedLight, heat, and oxygen contribute to the breakdown and oxidation of oils.

◐Partially SupportedStoring edible vegetable oils in glass containers, especially protected from UV light, is preferable to plastic containers.

◐Partially SupportedAldehyde content in 154 grams of potato chips is comparable to that from 25 tobacco cigarettes daily.

◐Partially SupportedDeep frying food in tallow does not eliminate all oxidative liability within the human organism.

◐Partially SupportedAntimony can migrate from polyethylene containers into edible vegetable oils.

✕Not SupportedConsuming significant amounts of deep-fried food is not optimal for long-term health.