Mirwais میرویس, MD

Medical education for everyday people. Breaking down what the system doesn’t tell you. Free newsletter 👇

[Mirwais میرویس, MD @ultramed38]

Your immune system is not failing randomly.

It is failing metabolically.

The same insulin resistance destroying your arteries is simultaneously dismantling your defenses against infection, cancer, and autoimmune disease.

Here is the mechanism nobody is talking about 🧵

[Mirwais میرویس, MD @ultramed38]

One night of under six hours sleep:

Reduces insulin sensitivity by 25%.
Spikes cortisol.
Drops natural killer cell activity by over 70%.
Dysregulates hunger hormones — ghrelin rises, leptin falls.
Impairs endothelial function.

The medical system treats sleep deprivation as a lifestyle choice.

The biology treats it as a physiological emergency.

You cannot out-train poor sleep.
You cannot out-eat it.
You cannot supplement around it.

https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

Yup

[Mirwais میرویس, MD @ultramed38]

🌲 Scientists asked 12 guys to walk in the woods for 3 days.

Their cancer-fighting immune cells
( Natural Killer cells) said “thanks, needed that” and stayed pumped up for a month.

Touch grass. Literally. It’s called forest bathing. Do it today!

🔗 https://t.co/tvcEXZuFsK
You can learn about the immune system at https://t.co/sa8a5Z2z0K

[Mirwais میرویس, MD @ultramed38]

Chronic stress is not a mental health problem.

It is a metabolic disease driver.

Chronically elevated cortisol directly interferes with insulin signaling.
Raises blood glucose around the clock.
Builds visceral fat.
Destroys endothelial function.
Shrinks the prefrontal cortex.
Locks the brain into threat-detection mode.

You cannot diet your way out of a cortisol problem.
You cannot supplement your way out of it.
The stressor has to be addressed at the source.

https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

@Barefoot_Will_ 👋

[Mirwais میرویس, MD @ultramed38]

@DavidWolfe @grok Which kind of flowers?

[Mirwais میرویس, MD @ultramed38]

@DavidWolfe @grok is this true

[Mirwais میرویس, MD @ultramed38]

#KNICKSPARARDE NYC🏀

[Mirwais میرویس, MD @ultramed38]

The cholesterol-brain connection is real and significantly underappreciated. The brain is 60% fat by dry weight and contains approximately 25% of the body’s total cholesterol used to build myelin sheaths, maintain synaptic membranes, and support the neurotransmitter signaling that underlies every cognitive function. Statins cross the blood-brain barrier. The cognitive side effects; memory problems, brain fog, confusion, are not random. They are mechanistically predictable consequences of depleting the substrate the brain depends on. The more important question the statin conversation never asks: why is the cholesterol there in the first place. As we covered on Ultramed; atherosclerosis is not a cholesterol problem. It is an inflammatory disease of the arterial wall initiated by endothelial injury from insulin resistance, oxidative stress, and chronic inflammation. Cholesterol enters a damaged wall. Fix the damage. Address the metabolic drivers. That is prevention. Lowering the cholesterol number with a drug that depletes the brain’s primary structural material while leaving the metabolic disease untouched is not prevention. It is management of a proxy. https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

Fatty liver affects 1 in 3 adults.

Most have no symptoms.
Most have normal blood tests.

Because standard liver function tests measure liver damage.
Not liver fat.

You can have a liver packed with fat, silently driving insulin resistance, flooding your blood with atherogenic particles, and inflaming your arteries with a completely normal panel.

The test that catches it early is almost never ordered.

https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

The statin side effect profile is real and significantly underreported; myopathy, a 10–12% increased risk of type 2 diabetes in susceptible populations, and cognitive effects in some patients are documented in the literature and deserve far more clinical transparency than they get. The legitimate critique of statins is that in primary prevention populations roughly 40–50 people need to be treated for five years to prevent a single cardiovascular event and that statins lower LDL without addressing insulin resistance, small dense LDL, endothelial dysfunction, or the metabolic drivers actually causing arterial disease. That is a serious and evidence-based argument. But ‘statins cause ALS, MS, Parkinson’s, and cancer’ is not supported by the evidence and making those claims alongside the legitimate ones undermines the entire conversation. The case against over-prescribing statins is strong enough without attributing conditions to them that the data does not support. Credibility is the only weapon the anti-medical-industrial-complex argument has. Overclaiming destroys it. We covered what statins actually do and don’t do on Ultramed. https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

😎

[Mirwais میرویس, MD @ultramed38]

Your doctor checks your LDL.

Tells you it’s fine.

Sends you home.

What they didn’t check:
Your ApoB — the direct count of every atherogenic particle in circulation.
Your Lp(a) — elevated in 20% of people. Almost never measured.
Your fasting insulin — the earliest signal that arterial disease is already building.

You are being managed on an incomplete picture.

https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

This is exactly right and it is the reframe that changes everything. Atherosclerosis is not a cholesterol problem. It is an inflammatory disease of the arterial wall. The sequence is endothelial injury first, driven by chronic hyperinsulinemia destroying nitric oxide production, systemic inflammation damaging the arterial lining, and oxidative stress from industrial seed oils and hyperglycemia. LDL enters a damaged arterial wall, oxidizes, gets engulfed by macrophages, and becomes the inflammatory plaque that kills people. Cholesterol is not the arsonist. It is responding to a fire that insulin resistance, fructose overconsumption, and chronic inflammation already started. This is why two people can have identical LDL numbers with completely different cardiovascular risk profiles because LDL particle size, ApoB, Lp(a), and hsCRP tell you what LDL alone cannot. And it is why the fatty liver producing atherogenic VLDL particles, the insulin resistance impairing endothelial function, and the chronic inflammation destabilizing plaque are the actual targets not the cholesterol number a statin prescription is built around. We covered the full mechanism across our cardiovascular, cholesterol, insulin resistance, and liver posts on Ultramed. https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

The lymphatic point is correct and underappreciated, the lymphatic system is the immune system’s highway, and muscular contraction is what drives it. But the deeper immune story goes well beyond movement. Sedentary behavior is immunosuppressive not just because lymph stagnates but because physical inactivity reduces GLUT4 expression in muscle cells, drives insulin resistance, and creates the chronic inflammatory environment that locks macrophages in a permanently dysfunctional state, reduces natural killer cell cytotoxicity, and collapses the regulatory T cell numbers that prevent autoimmune disease. Twenty jumping jacks moves your lymph. Consistent resistance training and zone 2 cardio mobilizes NK cells into circulation, reduces the visceral adiposity driving immune dysfunction, and restores the insulin sensitivity that the entire immune system depends on to function. Movement is immune medicine. But the dose and the consistency are what actually matter. We broke down the full immune-metabolic connection on Ultramed, at https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

Yup

[Mirwais میرویس, MD @ultramed38]

The medical system responds to immune failure with:

Antibiotics for the infections.
Chemotherapy for the cancers.
Immunosuppressants for the autoimmune conditions.

All of it treating consequences.
None of it addressing the metabolic environment that caused the immune system to fail.

Fix the metabolism.
The immune system follows.

Full breakdown on Ultramed 👇

@Ultramed38 | https://t.co/sa8a5Z21bc

[Mirwais میرویس, MD @ultramed38]

Your immune system is not failing randomly.

It is failing metabolically.

The same insulin resistance destroying your arteries is simultaneously dismantling your defenses against infection, cancer, and autoimmune disease.

Here is the mechanism nobody is talking about 🧵

[Mirwais میرویس, MD @ultramed38]

What actually rebuilds immune function:

→ Reverse insulin resistance — the master immune intervention
→ Eliminate refined carbohydrates, fructose, and industrial seed oils
→ Rebuild the gut microbiome — 70-80% of your immune system lives there
→ Strategic fasting — resets immune cell populations
→ Resistance training and zone 2 exercise
→ Sleep — NK cell activity drops over 70% after one night under six hours
→ Vitamin D optimal at 50–80 ng/mL — not the 20 ng/mL standard cutoff

No prescription required.