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Family doctor specializing in integrative and functional medicine doctor | Holistic mental health, hormones, digestive disorders, autoimmune diseases, psychedelics, pediatrics Family doctor specializing in integrative and functional medicine doctor | Holistic mental health, hormones, digestive disorders, autoimmune diseases, psychedelics, pediatrics
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Cold and Flu

Home / Cold and Flu /
 We need to talk about vitamin D & COVID-19
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By EricaZelfand
In Cold and Flu, COVID19, Vaccines, Vitamins
Posted December 21, 2021

We need to talk about vitamin D & COVID-19

It could save your life. We need to talk about vitamin D, and why it’s the vitamin that might just get us through the SARS-Cov-2 (COVID-19) pandemic. We’ve known for quite some time now that [...]

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 Do Cloth Masks Do Anything?
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By EricaZelfand
In Cold and Flu, COVID19
Posted September 2, 2021

Do Cloth Masks Do Anything?

What the research says about fabric facemasks and SARS-CoV-2 particle transmission   Most of us have picked up a cloth mask or two since the start of the pandemic. Companies have put their [...]

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 Video: Innate & Adaptive Immunity – How Vaccines Work
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By EricaZelfand
In Addiction, Allergies, Autoimmune Disease, Babies, Cold and Flu, Environmental Health, Immune Support, Inflammation, Pediatrics, Video
Posted November 15, 2020

Video: Innate & Adaptive Immunity – How Vaccines Work

Our immune systems consist of two parts: the innate (or general) immune system and the adaptive (or acquired) immune system. In this video, I explain the basics of these immune systems, [...]

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 Video: T Cells, Allergies, Autoimmunity, and You
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By EricaZelfand
In Allergies, Autism, Autoimmune Disease, Cold and Flu, Immune Support, Inflammation, Video
Posted November 15, 2020

Video: T Cells, Allergies, Autoimmunity, and You

  What are T cells and what do they do? Dr. Zelfand explains the importance of these special white blood cells. She illuminates how T cells can transform into T Helper (Th) Cells 1, 2, 3, or [...]

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 Video: How Stress Hurts Immune Function
By EricaZelfand
In Autoimmune Disease, Cold and Flu, Immune Support, Stress, Uncategorized, Video
Posted November 15, 2020

Video: How Stress Hurts Immune Function

In this video, Dr. Zelfand explains how our bodies react to stress and how those reactions can, if left unchecked, wreak havoc on our immunological function. Topics covered include adrenal [...]

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 Video: The Wet Sheet Wrap Treatment
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By EricaZelfand
In Cold and Flu, Environmental Health, Immune Support, Video
Posted April 29, 2020

Video: The Wet Sheet Wrap Treatment

In this video, I demonstrate how to perform the wet sheet wrap treatment, an old-school nature-cure remedy for a myriad of acute ailments like colds, flus, respiratory “crud,” pain, [...]

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 Protection from Viruses: Beyond Hand Washing
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By EricaZelfand
In Cold and Flu, Immune Support, Nutrition
Posted March 21, 2020

Protection from Viruses: Beyond Hand Washing

We share this wild planet with countless viruses, including rhinovirus (which causes the common cold), influenza A and B (which can lead to the flu), and COVID-19 (SARS-CoV-2), the latest [...]

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 Tips for Healthy & Safe Travel
By EricaZelfand
In Cold and Flu, Travel
Posted July 27, 2017

Tips for Healthy & Safe Travel

As I write this post, my home office is a mess of clothes, itineraries, guidebooks, and the scattered contents of a first aid kit. I’m packing for my upcoming trip to East Africa, carefully [...]

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 Nutrition Rumors: Bananas, Milk, & Oranges
By EricaZelfand
In Cold and Flu, Digestion, Nutrition
Posted May 1, 2017

Nutrition Rumors: Bananas, Milk, & Oranges

We pick up funny thought patterns, us humans. Sometimes these ideas are planted by companies with an agenda to sell items, other times old wives’ tales get engrained into our beliefs. [...]

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 Fever? Flu? Congratulations!
By EricaZelfand
In Allergies, Autoimmune Disease, Babies, Cancer, Cold and Flu, Immune Support, Pharmaceuticals
Posted October 15, 2015

Fever? Flu? Congratulations!

Why Getting the Occasional Cold or Flu Might Not Be Such a Bad Thing Every now and then I have a patient who boasts proudly, “I’m healthy as a horse! I haven’t had a cold or flu in [...]

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 Shingles: Should You Get the Vaccine?
By EricaZelfand
In Cold and Flu, Immune Support, Vaccines
Posted September 18, 2015

Shingles: Should You Get the Vaccine?

By creating a vaccine against a relatively benign, self-limiting infectious disease, we’ve likely increased the incidence rate of another, more harmful condition. . If you’re over the age [...]

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