The Sun episode: Naked tanning, benefits, skin cancer risk, dangers of sunscreen

PS

Paul Saladino1h 6m · 2022-05-10

Claims Made

134

Claims Supported

108

Support Rate

81%

Support rate

108 of 134 claims supported

108 supported26 partial / not

Claims from this content

113

Well SupportedAn animal-based diet prioritizing meat, organs, ripe fruit, and honey is evolutionarily consistent for humans.Well SupportedIndigenous populations studied typically consume diets where linoleic acid constitutes about 2% of fat intake, contrasting with 7-15% in Western diets.Well SupportedTarget vitamin D levels for adequate health are often debated between 30-40 ng/mL, with higher levels like 50-60 ng/mL considered optimal.Well SupportedMetabolic dysfunction, specifically insulin resistance, is the primary event leading to atherosclerosis, not LDL directly injuring the endothelium.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.

Lowering dietary linoleic acid in humans reduces the production of oxidized linoleic acid metabolites implicated in oxidative stress.

Well SupportedSerum levels of linoleic acid are not a good indicator of long-term linoleic acid consumption or a predictor of adverse health events, unlike adipose tissue levels.

Well SupportedThe Heart & Soil histamine and immune supplement may improve allergies.

Well SupportedIncreased consumption of polyunsaturated fats, specifically omega-6 fat, is associated with an increased risk of squamous cell, basal cell, and melanoma skin cancer.

Well SupportedHeart and Soil supplements 'Whole Package' contain testicle and 'Memory and Brain' contain brain, which may be beneficial for libido and cognition.

Well SupportedBone matrix supplements, eggshells, or calcium can be used as dairy alternatives for calcium intake.

Well SupportedSunlight provides benefits beyond vitamin D production, such as endorphins and nitric oxide.

Well SupportedOmega-6 polyunsaturated fatty acids, including linoleic acid, appear to be problematic for human health.

Well SupportedSubcutaneous adipose tissue linoleic acid levels correlate with cardiovascular disease incidence.

Well SupportedGradual sun exposure allows even light-skinned individuals to develop a tan by increasing melanin production.

Well SupportedReducing intake of vegetables from the Apiaceae family and grapefruit may lead to less photosensitization.

Well SupportedAnimal fats, containing longer-chain saturated fats like stearic acid, are beneficial in humans.

Well SupportedEndorphins are produced when humans are exposed to sunlight, suggesting an evolutionary mechanism for sun-seeking behavior.

Well SupportedIncreased consumption of linoleic acid leads to increased levels of breakdown products like 4-HNE and 9- and 13-HODEs.

Well SupportedMaternal plasma levels of omega-6 polyunsaturated fatty acids during late pregnancy positively predicted offspring fat mass at 4 and 6 years of age.

Well SupportedLowering dietary linoleic acid decreases oxidized linoleic acid metabolites in humans, which are associated with poor outcomes.

Well SupportedIn metabolically healthy individuals, LDL levels are not consistently related to incident cardiovascular disease.

Well SupportedEating in an evolutionarily consistent manner, potentially by avoiding excess linoleic acid, may allow individuals to be in the sun without developing skin cancers.

Well SupportedVitamin D levels above 30 ng/mL were protective against viral infections.

Well SupportedVitamin D functions as a steroid hormone that regulates gene expression in the cell nucleus.

Well SupportedWhen sufficient vitamin D is synthesized in the skin from UVB exposure, the conversion of 7-dehydrocholesterol to vitamin D3 is inhibited.

Well SupportedExposure to UVA light increases nitric oxide production in skin cells for up to 48 hours, benefiting blood vessel health.

Well SupportedThere is a strong association between vitamin D deficiency and insulin resistance, and vitamin D deficiency may worsen insulin resistance through various mechanisms.

Well SupportedEvolutionarily optimal vitamin D levels for humans are around 46-48 ng/mL, as observed in equatorial populations.

Partially SupportedTanning beds that mimic the sun, with a UVA/UVB ratio like 95% UVA and 5% UVB, are a viable option for Vitamin D production when sun exposure is limited.

Well SupportedA balanced approach to sun exposure is recommended.

Partially SupportedExposure to narrow-band ultraviolet (UVB) light can modulate the human intestinal microbiome and increase serum 25-hydroxy vitamin D levels.

Partially SupportedAn animal-based diet consisting of organs, meat, fruit, honey, and raw dairy, combined with sunlight exposure, is the optimal diet for humans throughout all life phases.

Partially SupportedMost postpartum nursing mothers in Western medicine have insufficient vitamin D levels (below 48 ng/mL) to adequately transfer it to their infants via breast milk.

Partially SupportedHigher percentages of omega-6 highly unsaturated fatty acids in adipose tissue correlate strongly with higher coronary heart disease mortality.

Partially SupportedIn individuals without markers of insulin resistance, LDL cholesterol does not correlate with cardiovascular disease.

Partially SupportedCitrus consumption, particularly grapefruit rind, is associated with an increased risk of cutaneous malignant melanoma.

Partially SupportedAnimal-fat-based sunscreens with zinc are recommended as an alternative to conventional sunscreens.

Partially SupportedThe relationship between vitamin D supplementation dose and blood levels is not linear.

Partially SupportedSunlight is essential for optimal human health and has been a critical part of human evolution.

Not SupportedLDL cholesterol is essential for human life and does not inherently cause harm without context like metabolic unwellness.

Partially SupportedDiets rich in unsaturated oils were associated with being judged older than diets low in unsaturated fats.

Partially SupportedGradually increase tanning bed exposure time, starting with minimal durations to avoid burning and develop a solar callus.

Partially SupportedLinoleic acid in seed oils is linked to higher rates of coronary disease.

Partially SupportedDesiccated organs like brain and testicle are nutrient-dense and can be consumed in capsule form for health benefits.

Partially SupportedExcess omega-6 in the skin can break down into toxins under UV blue light, causing inflammation and cell death.

Not SupportedMainstream recommendations to avoid sun exposure between 10 a.m. and 4 p.m. and use sunscreen neglect the body's evolved protective adaptations to sunlight.

Partially SupportedA 5 mmHg decrease in diastolic blood pressure is associated with a 34% reduction in cardiovascular disease risk.

Partially SupportedVitamin D lamps can be used for vitamin D production but carry a risk of sunburn.

Partially SupportedControls in a study had significantly lower levels of linoleic acid in their subcutaneous adipose tissue triglycerides compared to patients.

Partially SupportedStudies on linoleic acid should include a saturated fat washout period before intervention and a linoleic acid washout period after.

Not SupportedA diet high in linoleic acid decreases nitric oxide metabolites, increases oxidative stress, and causes endothelial dysfunction compared to a high oleic acid diet.

Partially SupportedUsing sunscreen and covering up in the sun may increase the incidence of other cancers and chronic medical diseases.

Partially SupportedAn indigenous diet high in nutrients, especially fat-soluble cellular nutrients from meat and organs, was beneficial for individuals with tuberculosis.

Partially SupportedChronic consumption of a diet rich in omega-6 polyunsaturated fatty acids for four weeks can cause mitochondrial damage and cardiac dysfunction in male rats.

Partially SupportedExposure to UVA light from the sun can release nitric oxide in the skin, decreasing diastolic blood pressure by up to 5 mmHg for 30 minutes.

Partially SupportedRuminant fats, such as tallow, contain significantly less linoleic acid (around 2%) compared to pork or chicken fat, olive oil, and avocado oil (15-20%).

Partially SupportedUVB light exposure causes thickening of the stratum corneum and increased melanin production in the skin.

Partially SupportedExposure to sunlight between 7-10 a.m. and 3-6 p.m. is recommended, while avoiding midday sun, to adapt to sun exposure.

Partially SupportedAvoiding excess linoleic acid in both diet and skincare products is recommended for healthy skin and to avoid photoaging.

Partially SupportedMany sunscreen ingredients are absorbed systemically and may exceed FDA thresholds for toxicology studies.

Partially SupportedSolar heliotherapy for cutaneous tuberculosis was awarded a Nobel Prize in 1903 and was used in hospitals in the desert Southwest.

Partially SupportedVitamin D3 supplementation at 4000 IU per day for one year decreased positive cores at repeat biopsy in subjects with low-risk prostate cancer under active surveillance.

Well SupportedMaternal high-dose vitamin D supplementation (6400 IU/day) can increase breast milk vitamin D concentration to sufficient levels for the infant.

Partially SupportedImproving calcium and vitamin D nutritional status substantially reduces all cancer risk in post-menopausal women.

Partially SupportedMelanoma may be associated with sun exposure in conjunction with linoleic acid, which can weaken cell membranes.

Not SupportedSunscreens with artificial fragrances should not be used as their compounds are absorbed and circulate in the body.

Partially SupportedNon-melanoma skin cancers result in at least 3.5 million cases and 2,000 deaths annually but are not considered terribly dangerous.

Partially SupportedLiving closer to the equator may provide more sunlight, which could be essential for programming the immune system or preventing chronic diseases.

Partially SupportedLDL cholesterol and sunlight are essential for optimal human life.

Partially SupportedAdequate real outdoor light, including ultraviolet, infrared, and visible spectrum light, is essential for optimal human health when not wearing sunscreen.

Partially SupportedChronic sunlight exposure may have a protective effect against melanoma, and getting burned as a child is a negative outcome.

Partially SupportedSoralen therapy combined with high UVB exposure increases non-melanoma skin cancer risk.

Partially SupportedSquamous cell carcinoma, basal cell carcinoma, and actinic keratosis are sun-associated skin cancers.

Partially SupportedSunlight, supplemental vitamin D, and ultraviolet light offer benefits supported by interventional and observational studies.

Partially SupportedUltraviolet light has immune benefits, affects cellular differentiation, improves wound healing, and causes relaxation.

Partially SupportedIndividuals should avoid sunburn but expose their entire body to sunlight.

Partially SupportedThe body converts vitamin D3 to 25-hydroxy vitamin D as needed and typically does not convert excess to 1,25-dihydroxy vitamin D unless a pathological process is present.

Not SupportedTanning beds can cause problems, particularly burns, when overused.

Partially SupportedIncreased sun exposure is associated with more actinic keratosis, squamous cell carcinoma, and basal cell carcinoma, but not necessarily more melanoma.

Partially SupportedVitamin D supplementation during pregnancy reduced the risk of maternal comorbidities and improved neonatal outcomes, including higher birth weight and lower rates of gestational diabetes.

Partially SupportedLinoleic acid, sorrel, and exposure are bigger factors than sunlight in skin cancer.

Partially SupportedOptimal vitamin D levels for humans are likely around 50 ng/mL, supported by the suppression of parathyroid hormone (PTH) to the lower quartile of its normal range.

Partially SupportedAdequate calcium status is essential for bone health, neuronal signaling, and reducing cancer risk.

Partially SupportedMelanoma may be protected against by sun exposure, contrary to epidemiological associations.

Partially SupportedEvolutionary sun exposure provided vitamin D, and deficiency caused insulin resistance and negative health effects.

Partially SupportedGradual sun exposure to develop a 'solar callus' and produce vitamin D is recommended, with covering up if burning is imminent.

Partially SupportedLower linoleic acid oils such as coconut and tallow should be used.

Partially SupportedCholesterol forms the backbone of vitamin D, which is then synthesized in the skin.

Partially SupportedIncreased sun exposure, especially at lower latitudes, is associated with protection from diseases including certain cancers, type 1 diabetes, multiple sclerosis, hypertension, and cardiovascular disease.

Partially SupportedThe composition of cell membranes, particularly their fatty acid composition, is a key determinant of skin cancer risk.

Partially SupportedSun exposure, particularly ultraviolet (UV) light, is associated with higher rates of colon, breast, pancreas, ovary, brain, kidney cancers, and multiple myeloma as distance from the equator increases.

Partially SupportedA study suggested individuals consuming diets rich in unsaturated fats were perceived as older than those consuming diets lower in unsaturated fats.

Partially SupportedExcessive sun exposure combined with a Western diet high in linoleic acid may predispose individuals to skin cancers.

Partially SupportedExcess dietary linoleic acid may cause endothelial dysfunction, leading to improper nitric oxide levels and elevated diastolic blood pressure.

Partially SupportedRabbits fed corn oil (high in unsaturated oils) developed prematurely wrinkled skin after sun exposure, while those fed coconut oil did not.

Partially SupportedMelanoma risk is not significantly increased for outdoor workers with higher sun exposure compared to indoor workers.

Not SupportedA vitamin D level of 30 ng/mL is likely too low for optimal health.

Not SupportedWestern medicine's recommended lower limit for vitamin D is insufficient for pregnant mothers and the general population.

Not SupportedSupplementing with 1,25-dihydroxy vitamin D can lead to pathological calcification and requires careful monitoring.

Partially SupportedIncreased sun exposure may lead to more non-melanoma skin cancers but potentially less of other cancers, hypertension, cardiovascular disease death, and seasonal affective disorder.

Partially SupportedIncreased linoleic acid consumption may lead to fragility in cell membranes, causing oxidative damage and DNA damage.

Partially SupportedSun exposure aids in wound healing.

Partially SupportedThere may be an association between melanoma and subcutaneous adipose tissue levels.

Partially SupportedReal sunlight is essential for optimal human life.

Partially SupportedSunlight may be protective against solid organ tumors.

Partially SupportedTucker Goodrich reports that he no longer gets sunburned after changing his diet to include high omega-6 intake.

Partially SupportedA high linoleic acid diet increases oxidative stress and decreases nitric oxide metabolism, leading to endothelial dysfunction.

Not SupportedInterventional studies on polyunsaturated fatty acids may not accurately reflect real-world impact due to existing high linoleic acid consumption.

Partially SupportedAn animal-based diet combined with sunlight exposure may reduce skin burning and inflammation.

Not SupportedThe notion that sunlight causes skin cancer, particularly melanoma, is not clearly supported by research, despite common belief.

Partially SupportedExcess linoleic acid consumption and psoralens from vegetables or grapefruit are major factors in human photosensitization.

Not SupportedThe sun is not the most important cause of skin cancer.

Partially SupportedExcessive dietary linoleic acid intake may contribute to adipose tissue development and obesity.