COVID-19 Update 83 with Roger Seheult, MD of
Oxidative stress may play a key role in the severity of COVID-19 infection. A variety of studies have demonstrated how high sugar intake (and fructose in particular – such as high fructose corn syrup) contributes not only to oxidative stress but to the inactivation of a usable form of vitamin D as well. Join Dr. Seheult for illustrations of how these pathways work.
(This video was recorded June 12, 2020).
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Links referenced in this video:

Johns Hopkins Tracker –


Nutrients –


Plos One –

American Journal of Physiology, Endocrinology and Metabolism –

Global Public Health –


Univ. of Washington –

Glucose Illustration –


Some previous videos from this series (visit for the full series):
– Coronavirus Pandemic Update 82: Racial Disparities with COVID-19 & Vitamin D
– Coronavirus Pandemic Update 81: New Data on Hydroxychloroquine Side Effects & Prevention of COVID-19
– Coronavirus Pandemic Update 80: COVID-19 Retractions & Data (Hydroxychloroquine, ACE Inhibitors)
– Coronavirus Pandemic Update 79: COVID-19 Vaccines to Keep an Eye On – mRNA, Antigen, Others:
– Coronavirus Pandemic Update 78: Mask Controversy; Vaccine Update for COVID-19
– Coronavirus Pandemic Update 77: Remdesivir Update; COVID-19 in Mexico
– Coronavirus Pandemic Update 76: Antibody Testing False Positives in COVID-19
– Coronavirus Pandemic Update 75: COVID-19 Lung Autopsies – New Data
– Coronavirus Pandemic Update 74: Vitamin D & COVID 19; Academic Censorship
– Coronavirus Pandemic Update 73: Relapse, Reinfections, & Re-Positives – The Likely Explanation
– Coronavirus Pandemic Update 72: Dentists; Diabetes; Sensitivity of COVID-19 Antibody Tests:
– Coronavirus Pandemic Update 71: New Data on Adding Zinc to Hydroxychloroquine +
– Coronavirus Pandemic Update 70: Glutathione Deficiency, Oxidative Stress, and COVID 19
– Coronavirus Pandemic Update 69: “NAC” Supplementation and COVID-19 (N-Acetylcysteine)
– Coronavirus Pandemic Update 68: Kawasaki Disease; Minority Groups & COVID-19:
– Coronavirus Pandemic Update 67: COVID-19 Blood Clots – Race, Blood Types, & Von Willebrand Factor
– Coronavirus Pandemic Update 66: ACE-Inhibitors and ARBs – Hypertension Medications with COVID-19

All coronavirus updates are at (including a discussion of the diagnosis, prevention, treatment, and vaccines for COVID-19 – including mRNA vaccines, randomized controlled trials, and recent journal retractions related to ACE inhibitors, ARBs, coronavirus second wave, fructose, high fructose corn syrup, oxidative stress, and vitamin D) and we offer many other medical topics (ECG Interpretation, strokes, thrombosis, pulmonary embolism, myocardial infarction, hypercoagulation, hypertension, anticoagulation, DKA, acute kidney injury, influenza, measles, mechanical ventilation, etc.).


Speaker: Roger Seheult, MD
Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine.
Associate Professor at the University of California, Riverside School of Medicine

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