The hottest COVID-19 Substack posts right now

And their main takeaways
Category
Top Health Politics Topics
School Shooting Data Analysis and Reports β€’ 0 implied HN points β€’ 20 Apr 20
  1. Columbine High School Massacre remains culturally significant, influencing school shootings for years with no meaningful legislation or reform.
  2. Copycat school shooting incidents like the recent plot by a Russian teen reflect a global impact of events like Columbine.
  3. Viral tweets about school shootings can be misleading, and it's important to fact-check information to understand the true extent of school violence.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 25 Feb 22
  1. You can find uncensored analysis on Substack by Chris Masterjohn, PhD, as platforms like Youtube and Instagram are heavily censoring.
  2. Chris Masterjohn uses his Substack to discuss scientific topics in a calm and helpful manner, serving as a public intellectual during challenging times.
  3. His Substack, named 'The Analytical Calm in the Eye of the COVID Data Storm', focuses on harnessing the power of nutrients and is supported by reader subscriptions.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 01 Oct 21
  1. Amino acid L-arginine can hasten the improvement in respiratory function in COVID patients with confirmed pneumonia and hypoxemic respiratory distress, possibly saving lives.
  2. L-arginine works even when administered at a later stage in illness when things have gotten very bad, unlike some other nutritional treatments.
  3. The Italian clinical trial showed that L-arginine supplementation led to faster recovery of respiratory function and may have completely eliminated the risk of death in severe COVID patients.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 11 Sep 20
  1. Gargling with povidone-iodine could clear the virus in 4 days as suggested by a small RCT.
  2. The study showed significant differences in virus clearance rates between different gargling solutions.
  3. More research is needed to confirm the effectiveness of povidone-iodine in larger groups and more severe cases.
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Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 31 Aug 20
  1. The first randomized controlled trial (RCT) showed that blocking IL-6 improved hypoxia in COVID-19, indicating a potential for better treatment outcomes.
  2. The study suggests a link between vitamin D and lactoferrin in potentially reducing IL-6 levels, supporting their use as beneficial supplements in managing COVID-19.
  3. The study also highlights the importance of high-quality whey protein in lowering IL-6 levels, potentially aiding in the management of COVID-19.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 30 Aug 20
  1. Genetics play only a small role in determining vitamin D status, which complicates studying its association with COVID-19.
  2. A recent study suggests that higher vitamin D levels are linked to lower COVID-19 infection risk, especially with sufficient exposure to UVB light.
  3. While certain genes may impact vitamin D levels more in high-UVB conditions, overall, the evidence for a direct causal link between vitamin D and COVID-19 is still weak.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 20 Aug 20
  1. Human breast milk inhibits the replication of a model of SARS-CoV-2, suggesting it may prevent transmission from mother to baby.
  2. Whey protein supplementation could offer some protection against COVID-19, as it showed antiviral properties in a study.
  3. The protective effects of milk against viral replication mainly come from whey proteins, including lactoferrin, which survive digestion and provide potential antiviral benefits.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 16 Aug 20
  1. Researchers suggest that vitamin K, especially in the form vitamin K2, may benefit the lungs in severe COVID-19.
  2. Vitamin K status was found to be important in COVID-19 patients, with higher levels of dp-ucMGP associated with worse outcomes.
  3. The study speculates that vitamin K2 supplementation, in high doses, could potentially limit lung damage in severe COVID-19 cases.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 14 Aug 20
  1. Genetic studies on vitamin D and COVID-19 are inconclusive, showing no clear causal link.
  2. There is potential for a U-shaped curve in the relationship between vitamin D levels and COVID-19 risk, with optimal levels between 30-40 ng/mL.
  3. Maintaining vitamin D levels above 30 ng/mL is associated with lower COVID-19 risk, severity, and mortality, with clinical trials underway to provide more clarity.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 31 Jul 20
  1. Indoor air safety is influenced by aerosol transmission, which can be mitigated by factors like space, ventilation, and air filtration.
  2. Most COVID-19 transmission occurs indoors, with close social contact being a key factor.
  3. Different social interactions have varying levels of risk, with factors like aerosol release and inhalation affecting safety.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 29 Jul 20
  1. Indoor transmission of COVID-19 is 19 times riskier than outdoor transmission.
  2. Almost all COVID-19 transmissions in China occurred indoors, with outdoor transmissions being rare.
  3. Modeling shows that outdoor air can be safe by avoiding indoor public environments and close contact with infected individuals, focusing on avoiding indoor spaces over outdoor spaces.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 21 Jul 20
  1. Researchers have found that airborne transmission of COVID-19 through aerosols is possible, emphasizing the need for preventive measures.
  2. The study revealed that while small aerosols can carry infectious viruses, their growth potential seems to be weak and inconsistent.
  3. Results suggest that wearing masks to prevent the release of large droplets is crucial in minimizing the spread of the virus, especially in close proximity to others.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 16 Jul 20
  1. A study found that COVID-19 cases can be classified into three different immunotypes with varying levels of immune response - T cells and B cells play important roles.
  2. The three immunotypes identified in the study were categorized based on the balance of T cell and B cell activity, with implications for disease severity and potential treatment approaches.
  3. The study suggests that understanding the different immunotypes of COVID-19 patients could help tailor treatments for better outcomes, but more research is needed to determine the practical applications.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 15 Jul 20
  1. Recovery from SARS can result in cross-reactive immunity to COVID-19, potentially lasting years.
  2. Some individuals without exposure to COVID-19 show T-cell immunity, likely acquired from other animal coronaviruses.
  3. This study suggests that pet ownership or exposure to animals may offer immunity to COVID-19, but deliberate exposure to animals should not be encouraged.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 19 Jun 20
  1. Hypokalemia (low potassium levels) is common in hospitalized COVID-19 patients, with potential causes including medications and kidney issues.
  2. Low potassium levels can lead to heart issues like palpitations and arrhythmias, especially in severe COVID-19 cases.
  3. Ensuring an adequate potassium intake through diets rich in fruits and vegetables or supplements can help reduce the risk of hypokalemia.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 19 Jun 20
  1. Blood clotting is common in COVID-19 cases, especially in moderate to severe situations.
  2. Neutrophil NETs and C3 complement activation play a key role in causing clotting in COVID-19.
  3. Anti-phospholipid antibodies are prevalent in COVID-19 patients and contribute significantly to the clotting cascade.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 11 Jun 20
  1. Different types of antibodies have specific functions in the immune response, with IgA playing a crucial role in protecting mucous membranes.
  2. Current COVID-19 antibody tests focus on IgM and IgG, but new findings suggest IgA may be key in defense against the virus.
  3. Vitamin A deficiency can impact IgA levels, potentially affecting the body's ability to fight infections like COVID-19.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 10 Jun 20
  1. Recent research suggests that the association between NSAID use and COVID-19 severity or mortality is still uncertain and remains debatable.
  2. The study found that the use of NSAIDs in the 30 days leading up to a positive COVID-19 test showed an increased risk of hospitalization, but this association was not statistically significant.
  3. The authors recommend using NSAIDs only when necessary and at the lowest possible dose for the shortest duration, as more research, particularly randomized controlled trials, is needed to determine their impact on COVID-19 outcomes.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 09 Jun 20
  1. Neutrophils respond to SARS-CoV-2 by producing NETs that damage lung tissue, resembling Spiderman's tactics.
  2. Viral load in COVID-19 patients across ages shows no significant difference, indicating children's immune response may explain lower symptom frequency.
  3. Women display a stronger T cell response to COVID-19 than men, possibly contributing to better outcomes for women.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 06 Jun 20
  1. A new meta-analysis on COVID-19 and iron metabolism revealed that severe cases had lower hemoglobin levels than moderate cases, highlighting the potential impact on oxygen transport in the blood.
  2. Patients with severe hypoxemia due to COVID-19 had significantly lower serum iron levels compared to those with non-severe hypoxemia, indicating potential implications for oxygen levels in the body.
  3. The findings suggest that COVID-19 patients may experience anemia of chronic disease, where inflammation impacts iron levels, potentially affecting oxygen transport and worsening the disease's impact on the body.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 05 Jun 20
  1. One study showed promising results for tocilizumab in reducing mortality from COVID-19, specifically reducing ICU admission and ventilation need.
  2. Bovine lactoferrin, when given to pregnant women, has shown to cut IL-6 levels in half, which could be relevant in COVID-19 treatment.
  3. A small study from Singapore indicated that a combination of vitamin D, magnesium, and vitamin B12 may be helpful in reducing the risk of initiating oxygen therapy for COVID-19 patients.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 26 May 20
  1. Vitamin D levels below 20 ng/mL increase infection risk, but this association disappears when adjusted for various factors like ethnicity and health conditions.
  2. Race and ethnicity are strongly linked to COVID-19 risk, even when accounting for vitamin D levels. Genetic factors are likely more influential in this relationship.
  3. Maintaining vitamin D levels between 30-35 ng/mL seems to be the optimal range for minimizing severity, mortality, and infection risk, based on current research findings.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 15 May 20
  1. Hypertension, diabetes, and obesity are strongly linked to severe COVID-19 outcomes due to systemic clotting, potentially caused by "leaky blood vessels"
  2. Exercise is crucial as it can decrease the permeability of blood vessel walls, making home exercise important during lockdowns
  3. Citrulline, zinc, and antioxidants may play a role in supporting the endothelium and potentially help prevent clotting dysfunction in COVID-19
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 14 May 20
  1. The first study with pre-infection vitamin D levels weakens the association with COVID-19 risk.
  2. Maintaining a vitamin D level of 30-35 ng/mL may reduce infection risks by 42%.
  3. The study suggests a weak association between pre-infection vitamin D status and positive COVID-19 tests.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 14 May 20
  1. ACE2 expression in the human airway does not differ significantly by age or sex.
  2. Recent studies show that ACE2 expression is not impacted by ACE inhibitors or angiotensin receptor blockers.
  3. More research is needed to understand why older males have more severe outcomes of COVID-19.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 13 May 20
  1. ACE Inhibitors and ARBs do not increase the presence of ACE2 protein on the cells in the upper respiratory tract, which contradicts previous concerns about worsening COVID-19 risk.
  2. The effects of ACE inhibitors and ARBs on mRNA expression do not directly translate to increased enzyme activity, showing that activity is not solely dependent on mRNA levels.
  3. Studies show a reduced risk of severe COVID-19 outcomes for patients using ACE inhibitors and ARBs, indicating a potential benefit in managing complications associated with the virus.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 11 May 20
  1. Glutathione has shown potential in improving COVID-19-related respiratory distress based on anecdotal evidence.
  2. Glutathione plays a crucial role in lung function by neutralizing toxins and maintaining mucous fluid.
  3. Glutathione may have antiviral effects against SARS-CoV-2 and could potentially slow down virus replication.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 09 May 20
  1. The first study on the association between vitamin D status and COVID-19 infection risk was published, providing valuable insights.
  2. Previous studies showed vitamin D status below 30 ng/mL is linked with more severe disease or mortality in COVID-19 patients from various regions.
  3. Results from the new study suggest maintaining 30-35 ng/mL of vitamin D may help protect against infection risk, particularly for those over 70, but more research is needed.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 08 May 20
  1. A recent study suggests that zinc may have promising benefits in treating COVID-19 patients.
  2. The study found that zinc usage was associated with lower risk of hospice care or death, decreased need for invasive ventilation, and increased chance of being discharged from the hospital.
  3. While the study does not prove cause and effect, it indicates that zinc may hold potential in COVID-19 treatment alongside other medications like hydroxychloroquine and azithromycin.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 07 May 20
  1. Vitamin D status below 30 ng/mL is linked to severe disease and mortality in COVID-19 patients from South Asian and Southeast Asian hospitals.
  2. New studies show the association between Vitamin D and COVID-19 severity extends beyond South and Southeast Asia, even to Europe.
  3. Maintaining 25(OH)D close to 30 ng/mL is still recommended, despite new insights from the recent studies.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 02 May 20
  1. Blood clots may be a significant issue in COVID-19 patients, leading to strokes, especially in younger individuals.
  2. The drug Naproxen (Aleve) has shown potential to inhibit viral growth, though further research is needed.
  3. Naproxen's impact on viral replication in bronchial cells suggests it could help prevent COVID-19 from becoming severe or fatal.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 01 May 20
  1. The virus has mutated to spread faster, with the G allele becoming dominant and potentially facilitating easier cell entry and enhanced spread.
  2. The mutation in the spike protein is associated with a slightly higher viral load, but it's uncertain if it impacts the severity of the disease.
  3. The rapid mutations of the virus could pose challenges for immunity development, herd immunity, and vaccine effectiveness, making it crucial to continue limiting exposure and supporting immune defenses.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 29 Apr 20
  1. Vitamin D deficiency increases the risk of mortality for COVID-19 patients. Those with deficient vitamin D levels were almost all more likely to die.
  2. The study highlights the importance of maintaining vitamin D levels for COVID-19 patients to potentially reduce severe outcomes like respiratory failure.
  3. The findings have not changed much in terms of recommended vitamin D levels, but reinforce the necessity to monitor and potentially supplement vitamin D in COVID-19 patients.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 24 Apr 20
  1. Interferon can contribute to lung pathology in COVID-19 and worsen the risk of severe disease and death.
  2. Coronaviruses like SARS and MERS have shown a pattern of interfering with interferon responses which later lead to lung damage in infected humans.
  3. Studies in animals suggest that interferons, specifically type 1 interferon, play a complex role in restricting virus replication and spread but can also be the main cause of lung pathology and inflammation in COVID-19.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 24 Apr 20
  1. Maintaining vitamin D levels within 29-34 ng/mL may lead to less severe COVID-19 outcomes.
  2. The relationship between vitamin D and COVID-19 severity is complex and may involve factors like IL-6 levels and lymphocyte counts.
  3. It is important for physicians to test and assess the impact of correcting low vitamin D levels on COVID-19 outcomes.
Harnessing the Power of Nutrients β€’ 0 implied HN points β€’ 23 Apr 20
  1. Anosmia and ageusia are strong predictors of COVID-19, even without other symptoms.
  2. Fever and cough together are more predictive of COVID-19 compared to when they occur individually.
  3. Sweating and diarrhea, when combined, provide better predictive power for COVID-19.