green-tea-covid

Polyphenols in Green Tea, Chocolate and Other Foods May Protect Against COVID

Some of our favorite polyphenol-rich foods, including green tea, muscadine grapes, cacao, and dark chocolate appear to block an enzyme in the SARS-CoV-2 virus, inhibiting its replication. A docking simulation and in vitro study published in Frontiers in Plant Science found that these flavan-3-ol and proanthocyandin-containing foods can block and bind the function of this enzyme, or protease, which…

melanin-covid

Melatonin May Offer Significant Protection from COVID Infection, and especially for African Americans

Supplementing with melatonin may decrease the likelihood of contracting COVID, particularly among African Americans. Researchers analyzed data from an observational study of over 26,000 people from a COVID-19 registry at the Cleveland Clinic Health System and found that melatonin use is associated with a 52% reduced likelihood of a positive SARS-CoV-2 test in African Americans.…

covid-cold

Two Mechanisms Potentially Improving Acquired Immunity to COVID-19: The Common Cold and Breastmilk

People who have been exposed to a seasonal “common cold” may experience less severe COVID-19 symptoms. While we’ve discussed this topic previously, a study from the Journal of Clinical Investigation reports the first clinical evidence of cross reactivity with the common cold and COVID. This is due to previous immune responses against the four endemic…