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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

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Controversial Thoughts, 6/30/30: More PUFA fear mongering ;) — Whalespan

Content›Video›Controversial Thoughts, 6/30…

Controversial Thoughts, 6/30/30: More PUFA fear mongering ;)

Paul Saladino11m · 2020-06-30

Claims Made

19

Claims Supported

11

Support Rate

58%

Support rate

11 of 19 claims supported

11 supported8 partial / not

Claims from this content

14

✓Well SupportedChicken fat may be a high dietary source of linoleic acid for some individuals.✓Well SupportedNon-ruminant animal sources require more attention for sourcing linoleic acid content than grass-fed and grain-fed beef.✓Well SupportedLinoleic acid intake should ideally be kept below five grams per day, and potentially even below four grams per day.✓Well SupportedChickens fed corn have significantly higher levels of polyunsaturated fatty acids (PUFAs) compared to wild birds.◐Partially Supported

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A. Volkovreader

4h

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

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N. Park

2d

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

Pigs' fat composition, specifically linoleic acid content, is directly influenced by their diet.

◐Partially SupportedLinoleic acid levels must be reduced to low, single-digit percentages of total fats to achieve an optimal metabolic state.

◐Partially SupportedA red blood cell fatty acid panel accurately assesses the percentage of linoleic acid, saturated fatty acid, and omega-3 fatty acid within cells.

◐Partially SupportedPaul Saladino prefers linoleic acid percentage below 18% in red blood cells.

✕Not SupportedCanola oil and other vegetable oils should be avoided.

✓Well SupportedThe body has a significant buffering capacity for high amounts of linoleic acid.

◐Partially SupportedCleveland Heart Lab's reference range for linoleic acid percentage in red blood cells is 18.6% to 29.5%.

◐Partially SupportedLinoleic acid content varies in fats: Brazil nuts (41%), corn oil (58%), cottonseed oil (54%), grapeseed oil (75%), hemp seed oil (54%), safflower (12%), sesame (41%), soybean (34-51%), sunflower (65%), peanut (31%).

◐Partially SupportedHigh linoleic acid intake can lead to metabolic problems and liver damage.

✕Not SupportedLife cycle analyses of plant-based meat alternatives like Beyond Meat show significant negative environmental impact due to excessive fossil fuel transport and monoculture.