Preserving Immune Function in Athletes With Nutritional Yeast


[Music] moderate exercise improves immunity and decreases illness rates by far the most important finding that is emerged from exercising my knowledge II studies over the past two decades is that positive immune changes take place during each bout of moderate physical activity over time this translates to fewer days of sickness with the common cold and other upper respiratory infections we’re talking at 25 to 50 percent reduction in sick days and then one drug or supplement that can do that and it doesn’t take much let kids run around for just six minutes and you can boost the numbers of immune cells circulating their blood stream by more than a third and at the other end of the lifecycle exercise may help prevent age-related immune decline sedentary women in their 70s may have a 50% chance of getting an upper respiratory illness during the fall season every year but walk a half hour a day and your risk is down to 20% the runners in the group got it under 10 it’s like five times better immune system now while regular physical activity improves immune function and lowers upper respiratory infection risk sustained and intense exertion may have the opposite effect forming a so called j-shaped curve relationship as you go from inactive to active your infection risk declines but hardcore athletes that overtrain may actually put excessive stress in their bodies and increase their risk of infection then you could lose training days your performance could suffer so what can you do well traditional sports medicine doesn’t appear to have much to offer advising athletes to you know don’t pick your nose avoid sick people get a flu shot a new study though found that one can better maintain one’s level of circulating white blood cells after exhaustive exercise by computed consuming a special type of fiber found in baker’s Brewers and nutritional yeast brewers yeast is but nutritional yeast is a nice cheesy flavor I use it mostly sprinkle on popcorn anyway normally two hours after cycling your brains out you can experience a dip in circulating monocytes one of our first line of defense white blood cells but those who had been eating the equivalent of less than three-quarters of a teaspoon a day of nutritional yeast ended up even better than when they started after strenuous exercise but does this increase in immune cells translate into fewer illnesses well let’s try it on some marathon runners in the weeks following the calls bad marathon this is how many runners reported experience upper respiratory tract infection symptoms taking a placebo but if instead they have the equivalent of a daily spoonful of nutritional yeast they cut their rates in half and what’s even more remarkable is that they felt better they asked how they felt on a scale of one to ten people taking the sugar pills were like okay down around four or five but those taking identical-looking capsules of the fiber found a nutritional yeast or up at like six or seven evidently elite athletes tend to normally experience deterioration and mood state during intense training periods before and after a marathon race but sprinkle a little spoonful of nutritional yeast and you may feel less tense less fatigue less confused even less angry and my favorite significantly more vigor [Music] you you

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26 thoughts on “Preserving Immune Function in Athletes With Nutritional Yeast

  1. What about the B12 content of nutritional yeast? It seems like this could have something to do with the positive outcome of the study as well. I would like to know more about this!

  2. In the inbox he states…
    Have a question for Dr. Greger about this video? Leave it in the comment section at nutritionfactsDOTorg/video/prese… and he'll try to answer it!

  3. can you do a video about fruit or juice fasting and maintaining minerals and nutrient levels? I tried a 33 day juice fast and became so anemic I had to stop before my 60 day goal. i'd like to try it again better prepared.

  4. The exercisers ( runners and hard walkers) have less colds due to 1) exercise clearing lungs of mucous 2) increased air volume in lungs 3) increased exchange of gases 4) the increased clearance of respiratory gas exchanges creates healthier lungs and reduces the time virus, bacteria reside 'trapped' in the lung and hence have time to infect.

  5. By the way – I love this channel and I know what the Doctor puts forth is correct. I just like to point out alternatives that occur to me as I listen. I do not criticize or dispute what the video espouses. I just offer an alternative explanation or point of view which occur to me during the presentation. Most things are multi-factorial.

  6. I'm sorry I didn't watch every single one of his videos before I had the nerve to ask a question. In any case I asked the doctor not you. Thanks but I don't need advice from a foul and constipated internet troll.

  7. For now I think plain, unsweetened whey protein in moderation is pretty healthy. It is probably a lot better than milk because it has very little lactose or casein protein (which is likely carcinogenic). Proponents of whey protein claim that its has a variety of molecules that aid immune function. Are these people liars? I would be interested if Dr.Greger would sift through some primary literature with regards to whey protein. In the meantime, I'll start eating some nutritional yeast.

  8. too much exercise is bad for immune in my experience, I started going to the gym and was staying there for hours, I was in the pool for 4 hours and was exhausting myself, after that I started having lots of problems, and getting ill all the time

  9. l exercise everyday, and eat more green than I know what to do with – I haven't had the common cold in over 2 years and my job is stress city, while finishing a masters degree. Just felt like it was time to chime in…I move people out of nursing homes for a living…not a good place to be.

  10. Very interesting! I do feel much better when I get to exercise. I have yet to try nutritional yeast. I've heard that it makes really good vegan cheese.

  11. Started incorporating nutritional yeast and love the stuff! At first I didn't really see how I'd go about using it, but now I put it on everything haha. Can't say how much it helps me health wise, but it sure doesn't make me feel terrible using actual cheese or other salty seasonings. Anything that makes a dish taste better without knocking me out when I eat big is a staple in my shelf and belly!

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