Simple Strategies To Improve Your Immune System

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Simple Strategies To Improve Your Immune System

Many who end up with severe illness produce low amounts of Type 1 interferon. There’s also a reduction in their adaptive immune system. As a result, they don’t clear the virus quickly and end up having to rely on a more proinflammatory killing of the virus inside their cells instead.

Immune System Basics
As a refresher, your immune system consists of two primary “arms”:

The innate immune system, which is your first line defense made up of natural killer (NK) cells, macrophages and white blood cells like neutrophils
The adaptive immune system — T cells, and B cells that produce antibodies

“We used to think that the adaptive immune system was this system that takes a while to kick in, and once you have immunity from your adaptive immune system, then you have a longer-term protection, which is true. However, the adaptive immune system also seems to have cross sensitivity, meaning if you’ve been exposed to previous coronaviruses, your T cells seem to have some cross sensitivity to SARS-COV-2.

So, essentially, what we see is a reduction in T cells, in the cytotoxicity of these CD8 T-killer cells, which kill viruses in a nice, apoptotic, controlled way.

When you have a reduction in those types of immune cells, you have to rely more on your proinflammatory innate immune system for clearing viruses — things like neutrophils, white blood cells, macrophages. They kill in a much more pro-inflammatory, non-specific way, and they end up killing healthy bystander cells.

What we think is going on is, essentially, you have this reduction in Type 1 interferons … which interfere with the virus. And at the same token, you have a reduction in B cells and T cells. So, what ends up happening is you don’t clear the virus as quickly, and you end up having this proinflammatory killing.

Siim and I collaborated because these things are complex. We need to get this in layman’s terms. What our book boils down to is that your diet and your lifestyle control those types of things, and there’s things that you can do to support your own immune system.”

Your T cell function tends to decline with age. It’s also reduced in those with chronic disease. Reduced T cell function appears to be a primary cause of severe COVID-19, seeing how those with the worst COVID-19 outcomes are the elderly and/or those with comorbidities such as diabetes, hypertension, metabolic syndrome and cardiovascular disease.

These factors worsen the proinflammatory response that you get from SARS-CoV-2, but they also weaken your immunity in general. “The Immunity Fix” reviews lifestyle strategies that help you sidestep and prevent this proinflammatory response. “It’s a very holistic approach to looking at the immune system,” Land notes.

Top Two Nutrient Deficiencies to Address
Diet and nutritional supplementation are two key strategies that can help boost your immune system. According to Land and DiNicolantonio, vitamin D may be the most important nutrient in this respect.

Vitamin D activates more than 2,000 genes, DiNicolantonio notes, including vitamin K-dependent proteins and repair genes. It also helps your body produce powerful antimicrobial and antiviral peptides.

Those over the age of 60 have a ninefold greater risk of dying from COVID-19 than that of younger individuals. If you’re severely vitamin D deficient, your risk can be 15fold greater. So, while you cannot change your age, you can certainly alter your vitamin D status, thereby potentially minimizing your risk.

However, in order to convert the vitamin D into its active form, you need magnesium, so magnesium would probably be the second-most important nutrient deficiency to address. Magnesium is also required for immune cell function, so if your magnesium level is low, your immune function could be impaired.

“People who have genetically low magnesium in their natural killer (NK) cells and their CD8 T-killer cells … their immune system is down. They have chronic activation of Epstein-Barr, which 95% of us are infected with, and they’re at a much higher risk of lymphoma,” DiNicolantonio says.

“And that’s just one nutrient. Being deficient in one nutrient can potentially cause this immunodeficiency essentially. So, in the book, we go through how nutrients and your immune system interact and why nutrient deficiencies are probably leading to a lot of these poor COVID-19 outcomes.”

Zinc and Selenium Are Also Important
In terms of importance, zinc would probably nab the third spot. Taking zinc lozenges at the first onset of cold symptoms has been shown to cut the duration of the common cold by six to seven days, but you have to take it correctly.

“If you’re using lozenges, you have to take it every two hours,” DiNicolantonio explains. “You got to take it within 24 hours of symptom onset. You have to take about 18 milligrams per dose, and you have to get the total daily dose over 75 milligrams.”

Fourth on the list would be selenium. Not only is selenium deficiency associated with a fivefold higher risk of dying from COVID-19 and a threefold higher risk of having a poor COVID-19 outcome, but it is also associated with coxsackievirus-induced cardiomyopathy (Keshan disease).

So, if you’re deficient in selenium, a nonvirulent RNA virus called coxsackievirus, which typically only causes hand, foot and mouth syndrome in certain children, can become much more virulent, leading to virally induced cardiomyopathy. Patients with this cardiomyopathy, known as Keshan disease, are typically given selenium. Selenium is also important for the production of glutathione, which appears to play a significant role in COVID-19.

The Importance of Melatonin
Another thing that is associated with improved COVID-19 outcomes is melatonin. DiNicolantonio explains:

“Melatonin is interesting. I kind of view it like molecular hydrogen but with some additional advantages. Melatonin can freely pass into any cell membrane, so that’s very key. If you want to get to the oxidative stress, you have to be able to access it and get into the mitochondria. Melatonin and molecular hydrogen are two molecules that can do that and really do that well …

Melatonin is not just this hormone we secrete in the brain. We synthesize it from serotonin, and it can be produced in many cells. So, it’s active throughout the entire day. What’s interesting is that it’s one of the only molecules that seems to increase the transcription of Nrf2.

Most plant polyphenols and all these other Nrf2 boosters only inhibit the inhibitor of Nrf2, which is KEAP1. Essentially, they’re making the current Nrf2 levels more active. When you add melatonin, that increases the transcription of Nrf2. Very few molecules can actually do that.

And Nrf2 is how we boost our endogenous antioxidant enzymes. Really, that’s the key. If you have acute respiratory distress, you want to boost your overall endogenous antioxidant systems, and the best way to do tha is through Nrf2 activators, particularly melatonin.”

High-Dose Melatonin Reduces COVID-19 Mortality
As for dosage, a recent case series involving 10 patients with COVID-19-related pneumonia used 36 to 72 mg of oral melatonin per day in four divided doses, which is far higher than recommended for sleep. DiNicolantonio comments:

“It’s so safe. Doses of melatonin up to 1,000 mg per day in humans have shown virtually no side effects besides grogginess and sleepiness … Melatonin use is associated with an 83% reduction in mortality from COVID-19, a 30 to 50% reduction in testing positive for SARS-COV-2, and in a case series of 10 COVID pneumonia patients, it cut the duration of hospital stay by five days.

And none of those patients who got melatonin ended up on a mechanical ventilator or died whereas in similar severe COVID-19 cases that were hospitalized at the same time, 25% to 40% of those individuals ended up on mechanical ventilators or died.”

As explained by DiNicolantonio, melatonin is actively produced throughout the day and is a master antioxidant, meaning it scavenges free radicals. It also binds to melatonin receptors that upregulate your innate antioxidant defense systems.

“Melatonin actually seems to concentrate in the bone marrow and that’s important because your immune system comes from stem cells produced from your bone marrow,” DiNicolantonio explains.

“From those stem cells, you get your immune cells. Some of your immune cells can even produce melatonin. We think it’s being concentrated in the bone marrow to protect immature stem cells and immune cells from oxidative damage, which actually makes a lot of sense.”

Nebulized Hydrogen Peroxide
While Land and DiNicolantonio hypothesized that inhaled molecular hydrogen at 2% or 3% would be a potential important strategy in COVID-19 patients requiring ventilation in a hospital, this can be significantly expensive. A better alternative, in my opinion, would be nebulized hydrogen peroxide, which you can do at home. This is my personal go-to strategy, and I’ve seen many recover from COVID-19 using this strategy. You can review my video below for more detailed in formation.

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Care with homemade or natural products are effective but you must bear in mind that you will not have immediate results. Any questions, remember that it is better to consult with your trusted doctor.

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