1. Cholesterol → steroid hormone synthesis (testosterone, progesterone, DHEA, pregnenolone)
Miller WL, Auchus RJ. The molecular biology, biochemistry, and physiology of human steroidogenesis and its disorders. Endocrine Reviews. 2011;32(1):81–151. https://t.co/h4IbVdoIZV
Dehydroepiandrosterone Sulfate Stimulates the First Step in the Biosynthesis of Steroid Hormones. PMC3931814 https://t.co/M4lyhLXw2m
2. The brain is the body’s most cholesterol-rich organ — and synthesizes neurosteroids from it
Orth M, Bellosta S. Cholesterol: Its Regulation and Role in Central Nervous System Disorders. Cholesterol. 2012;2012:292598. PMC3483652 https://t.co/zfRDJ7qLwg
3. Low brain cholesterol linked to neurodegeneration / statins suppress CNS cholesterol synthesis
Cibičková L. Statins and their influence on brain cholesterol. Journal of Clinical Lipidology. 2011;5(5):373–379. https://t.co/myTMMVDRMj
Ray Peat newsletter (November 2018) — via https://t.co/KfeCwRDmOR (heterodox — labeled as Peat framework)
4. Low serum cholesterol associated with depression, suicide, and violent behavior
Muldoon MF, Manuck SM, Matthews KM. Lowering cholesterol concentrations and mortality: a quantitative review of primary prevention trials. BMJ. 1990;301(6747):309–314. https://t.co/35NgDbxyCL
Engelberg H. Low serum cholesterol and suicide. Lancet. 1992;339(8795):727–729. https://t.co/jF1LnBDfX0
Partonen T, Haukka J, Virtamo J, et al. Association of low serum total cholesterol with major depression and suicide. British Journal of Psychiatry. 1999;175:259–262. https://t.co/ez4PjHnmxF
5. Depressed men with cholesterol below 165 mg/dL — 7× higher premature death risk
MosaicDX clinical summary citing Journal of Psychiatric Research findings. https://t.co/5KvmgEsYDY
The Relationships between Cholesterol and Suicide: An Update. PMC3671696 https://t.co/gimxEfBaS3
6. Cholesterol stabilizes serotonin transporter function
Scanlon SM, Williams DC, Bhatt DL, et al. — membrane cholesterol modulates serotonin transporter activity via specific molecular interactions. Referenced in: ScienceDirect — Cholesterol concentrations in violent and non-violent women suicide attempters (2003) https://t.co/k8R9B7zoty
7. Baroldi autopsy study — only 41% of heart attack deaths showed sufficient arterial blockage
Cowan T. What Causes Heart Attacks. https://t.co/ExlOdiRcs5 (citing Baroldi’s pathology research) https://t.co/zw524YZsDo (Note: Cowan cites Baroldi’s work — the original Baroldi autopsy data is the primary source he references)
8. Annals of Internal Medicine 2014 — insufficient evidence that saturated fat increases heart disease risk
Chowdhury R, Warnakula S, Kunutsor S, et al. Association of dietary, circulating, and supplement fatty acids with coronary risk: a systematic review and meta-analysis. Annals of Internal Medicine. 2014;160(6):398–406. https://t.co/jcKoxDMki5
9. Ray Peat primary source — cholesterol, longevity, and protective steroids
Peat R. Cholesterol, longevity, intelligence, and health. https://t.co/HMsDPT6LQL https://t.co/2DPJItlkKh (heterodox — labeled as Peat framework)
Sources available on request. This post draws on peer-reviewed endocrinology, published meta-analyses, and the heterodox bioenergetic framework of Dr. Ray Peat (1936–2022). Where Peat’s views are referenced, they extend beyond mainstream consensus and are labeled as such. Nothing here constitutes medical advice.
Your doctor said your cholesterol is high.
Here’s what they probably didn’t tell you.
Cholesterol is the raw material your body uses to build every steroid hormone you have — testosterone, progesterone, pregnenolone, DHEA, cortisol. Without it, the entire hormonal architecture collapses. This is textbook endocrinology.
Dr. Ray Peat spent decades documenting what the research actually shows: the brain is the body’s richest source of cholesterol — and it’s there for a reason. The brain converts cholesterol into the very neurosteroids that protect it from degeneration. Low cholesterol in the brain has been directly linked to accelerated neurodegeneration, and statins — which cross the blood-brain barrier — inhibit this synthesis in the organ that needs it most.
Dr. Tom Cowan has pointed out for years that in the largest autopsy study ever conducted on people who died of heart attacks, only 41% showed arterial blockage sufficient to cause one. The cholesterol narrative has never cleanly fit the data.
And then there’s this — consistently replicated across decades of peer-reviewed literature:
Low serum cholesterol is associated with significantly higher rates of depression, suicide, and violent behavior. One study found depressed men with total cholesterol below 165 mg/dL were seven times more likely to die prematurely from unnatural causes. The proposed mechanism is direct: cholesterol is required to stabilize serotonin transporter function in the brain. Reduce it aggressively and the system that regulates impulse, mood, and behavior begins to fail.
The people being prescribed statins to lower a number are not being told this.
Cholesterol isn’t the threat. It’s the building block. The real question — the one almost nobody in conventional medicine is asking — is why the body is producing more of it. Because elevated cholesterol is almost always a downstream signal, not the upstream cause.
Understand the signal. Don’t silence it.
— Bio⚡️
This is educational content — not medical advice. Always work with a qualified clinician before making changes to any prescribed treatment.
Sources in comments ⬇️