Fat-Soluble Vitamins, Immunity, Vaccinations, and Respiratory Health (Video)
How vitamins A, D, and E help keep us safe all year long In this video, Dr. Erica Zelfand explains the important impact of fat-soluble nutrients on immune function. After explaining the difference between fat-soluble and water-soluble vitamins, Dr. Zelfand explores the details of how vitamins A and D and different forms of vitamin…
All About T Helper Cells (Video)
What are T cells and what do they do? No previous knowledge of immunology is required to glean inspiration and insight from this video! Family physician Dr. Erica Zelfand explains the importance of these special white blood cells. She explains how, depending on what they’re exposed to, T-cells can transform into T Helper (Th)…
Innate and Adaptive Immunity (Video)
How the immune system fights off invaders, from splinters to vaccines Our immune systems consist of two parts: the innate (or general) immune system and the adaptive (or acquired) immune system. In this video, family physician Dr. Erica Zelfand explains the basics of these two systems, illuminating how they each fight germs (like bacteria,…
How Stress Hurts the Immune System – And What to Do About it (Video)
Stress: it isn’t just in your head. In this video, Dr. Erica Zelfand explains how our bodies respond to stress and how those reactions can wreak havoc on our immunological function, weight, blood sugar, heart health, and overall wellbeing. Topics covered include: the hypothalamic-pituitary-adrenal (HPA) axis, the adrenal glands, cortisol, adrenaline, and the effects…
Biohacks for a Calmer, Happier, More Focused You (Video)
Meet your new best friend – your vagus nerve. Through simple biohacks, we can use our bodies to affect our mood, focus, and productivity. In this video, naturopathic physician Dr. Erica Zelfand introduces the vagus nerve – a nerve that travels from the head to the throat, heart, lungs, kidneys, digestive tract, and even…
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