(5 mins) Transcript. Dr Greger's summary: ""The amount of beta-glucan fiber in just a dusting of nutritional yeast a day is put to the test in a randomized, double-blind, placebo-controlled trial for the prevention of common childhood illnesses."

Associated blog entry: Nutritional Yeast to Help Prevent Common Childhood Infections (2021)

(6 mins) Transcript. Dr Greger's summary: "How might we improve immune function in children and adults under physical or psychological stress?"

Those under physical stress (athletes who work out a lot) or emotional stress show better immune responses (in the form of fewer infections like common colds) by taking 2-3 tsp Nutritional Yeast daily.

(5 mins) Transcript. Summary: Nutritional yeast reduces incidence of common cold among athletes (people who put their bodies under a lot of physical stress). This video raised a concern: nutritional yeast sold in the market may have lead in it (!)

(4 mins) Transcript. Summary: Even moderate exercise boosts our immune system (25% to 50% less chances of common infections). Nutritional Yeast is a food additive shown to improve immune function in athletes (they fall prey to infections less often if they consume some Nutritional Yeast daily).

(4 mins) Transcript. Dr Greger's summary: "What did a randomized, placebo-controlled, double-blind study of a food that costs pennies a day for ragweed allergy sufferers find?"

(7 mins) Transcript. Dr Greger's summary: "Vitamin C, turmeric, beta-glucan fiber, and vitamin B12 are put to the test for recurring canker sores (aphthous ulcers)."