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Sunday, October 11, 2020

How to build up one's own immunity to a virus

Could vitamin D protect you from COVID-19? | Healthing - Emma Jones: 

September 10, 2020 - "A growing body of research is beginning to show that getting enough vitamin D every day may be an important factor in protecting yourself from COVID-19. 

"A recent study published in the Journal of the American Medical Association looked at the health data of 489 individuals who received a COVID test and also had vitamin D levels tested in the previous year. The researchers found that 19 per cent of vitamin-D deficient individuals tested positive for COVID, versus 12 per cent of patients who had sufficient levels.

"A different study published in the Journal of Internal Medicine also found a correlation between living in more northern latitudes (associated with less vitamin D absorption from the sun throughout the year) and an increased risk of death from COVID 19 at the beginning stages of the pandemic. It is important to note, however, that higher temperatures and UV radiation may negatively affect the virus’s survival, contributing to these results.

"Vitamin D deficiency has been known to play a role in respiratory infections and illnesses and is connected to pneumonia, tuberculosis and bronchiolitis, according to the World Health Organization. The U.S. Institute of Medicine’s report on Dietary Reference Intakes for vitamin D and calcium recommends that adults get from 600-800 IU (15 – 20 micro grams) of vitamin D per day from their diet (the exact amount fluctuates based on age). Daily intake of vitamin D should not exceed 4,000 IU per day.....

"According to a study published in the Frontiers In Immunology journal, the nutrients most commonly associated with a strong immune system include:

  • Omega-3 fatty acids. Known for its potent anti-inflammatory effect, omega-3 fatty acids are most frequently found in fish, seafood, and specific types of nuts and seeds such as flaxseed, chia seeds, and walnuts.
  • Vitamin D. This 'sunshine vitamin' is tough to come by in the winter months but can also be found in fatty fish like salmon, sardines, and trout. It’s also found in lesser quantities in fortified milk, milk alternatives, and eggs.
  • Vitamin E. A potent antioxidant, Vitamin E is found most abundantly in the traditional sources of healthy fats like almonds, almond butter, avocados, and peanut-based products. Fish, vegetable oils, and leafy greens are secondary sources.
  • Zinc. Low zinc intake is commonly associated with compromised immune function, even though most Canadians tend to get enough. Omnivores will find their zinc needs easily met through the consumption of various types of meat and dairy while vegans and vegetarians will need to rely more heavily on lentils and other legumes. The single greatest source of zinc? Oysters.
  • Tea. While not technically a vitamin, mineral or food component, tea is the richest dietary source of a potent anti-inflammatory compound known as Epigallocatechin gallate (EGCG) which may play an important role in enhancing our immune response."

Read more: https://www.healthing.ca/diseases-and-conditions/coronavirus/vitamin-d-may-play-a-protective-role-in-covid-19

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