Intermittent Fasting Tip: Fasting When You’re Sick

Intermittent Fasting Tip: Fasting When You’re Sick

Intermittent Fasting Tip: Fasting When You’re Sick

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should you fast when you’re sick or should you feed yourself when you’re sick well I’m gonna give you some concrete answers by the end of this video but I’m also going to give you some interesting food for thought depending on whether you have a virus or a bacterial infection hey you’re tuned into the internet’s leading performance nutrition fat loss and general health channel new videos coming out every single Tuesday Friday and Sunday 17 Pacific time and a bunch of other videos throughout the week as well including two live broadcasts so I want you to hit that little Bell button so you can turn on notifications that way you know whenever I go live so you can hop on this broadcast but you also know whenever I post a new video I also want you to check out thrive market down in the link in my description thrive market has some amazing groceries at greatly reduced prices compared to the grocery store delivered right to your doorstep and I’ve even created my own keto and fasting custom boxes so you can check them out down in the description after you watch this video so let’s get into some interesting fasting science all right so the main thing that we actually have to remember is that when we are fasting we are stressing our bodies out people forget that and I think a lot of it has to do with a lot of the stuff that floats around the internet saying how cleansing and detoxing and this and that fast thing is that is true but it comes at a cost you see during the actual period of a fast we’re wreaking some havoc on our body we’re putting ourself in a very very very stressed state which means that we actually immunosuppressed ourselves we have an immunosuppressive response to fasting at that very specific point in time you see we don’t actually become stronger while we fast we come stronger after the fast it’s like we’re breaking our bodies down during that fast getting them exposed to high levels of oxidative stress high levels of catecholamines high levels of overall stress so that they get stronger so that when we get done with the fast we have an ultimately stronger body you see even autophagy the process of cellular recycling and cells recycling their old decrepit parts that process alone is survival of the fittest we are getting rid of the weak portions during the fast that we’re left with nothing but the best and then when we feed and thrive those components they’re stronger than ever four so yes fasting will make you stronger and will strengthen your immune system but when you get down to the actual minute that you were in a fast it might not be a good idea to do that while you’re sick simply because it could weaken your immune system so we have to look at simple things like that however there’s a whole different world when you look at things like bacterial infections versus viruses the hard part is you don’t always know whether you have a virus or a bacterial infection a lot of times you won’t know until you go to the doctor and the fact of the matter is is that when you end up with a virus a lot of times you’ll end up with a secondary bacterial infection so a good example is you get a cold okay you get all the symptoms of a cold and then you end up with bronchitis and you end up with this bacterial infection in your lungs okay perfect example of a CO infection or secondary infection that is bacterial based but derived from the virus in the first place so okay some point it can be difficult but what’s interesting is that studies have shown that you can fight off a virus by feeding the body but you can fight off bacteria by starving the body you see one thing that I learned that’s blatantly obvious but it was really intriguing when I actually learned it is that viruses aren’t actually alive I’ve seen them described as M&Ms before they have a hard protein shell and then all the only gooey bad stuff in the middle okay so that M&M or that virus comes into your body and it needs the forces it needs the professional forces of the immune system to come in there and break down that shell neutralize it and kill that virus I say kill that virus but the fact is the virus isn’t even alive that’s the interesting thing viruses aren’t going through the normal life cycle and replication and multiplication phase that like bacteria does so they require a completely different thing whereas bacteria on the other hand are organisms okay they multiply they divide they go through that which means that you want to starve them you don’t want to be feeding them so the old wives tale of feed a cold starve a fever actually makes sense because generally bacteria does elicit a feverish response so because it’s an infection right so it’s pretty wild so if you know for a concrete fact that you have a virus you should eat through it because that’s gonna allow your body to have the defense that needs to actually break it down but if you know again for a legitimate fact that you have a bacterial infection it might be best to starve yourself a little bit ie fast because eventually those living organisms are gonna need to feed on something and if you’re depriving them of the actual food that’s coming in from your diet then that’s gonna make it a little bit of a better scenario sure they’re still gonna be food they can feed off in your body but sugar starches things like that is going to end up feeding that bacteria in fact some studies specifically have shown that bacteria end up being glucose dependence so if you have a fever sugar might not be something you want to eat at all if you cut out sugar you might be good just enough so here’s what also is interesting to back that same matter up if studies have shown that gamma-interferon increases when you eat now gamma-interferon is what actually fights the flu right so we need an increase in interferon to fight off the flu so eating increases interferon whereas fasting increases interleukin 4 il-4 which is needed to fight bacterial infections so what do you know okay feed a cold starve a fever it just makes perfect sense again it’s hard to know what you actually have going on now some people find it hard to believe that when you’re fasting you actually have this increase in il-4 il-5 I’ll you are fasting you are eliciting an inflammatory response on your body at that very specific point in time okay so now has to play devil’s advocate just a little bit here one thing that we do have to consider is that we have the immune system which is like the professional forces right they’re like the special forces they’re the ones that are designed to go in and neutralize pathogens and then we have the liver cells and we have things like that that actually are sort of a first line of defense now an interesting analogy that I’ve heard before is like our liver cells and our body’s own its own cells are like internal forces like the civilian militia they still have the ability to at least fight off a virus or at least fight off bad bacteria to an extent until the professional has arrived so fasting and improving otology could actually strengthen liver cells because hepatic cells in general are the ones that really get a benefit from the autopsy process of fasting so if we strengthen the liver cells through fasting we can fight off a cold a little bit longer so that the professional force is like the immune cells like the helper T cells and the killer T cells arrive so does that mean that you should fast when you feel like you’re getting sick well here’s my theory and it’s only that this is what I’ve hypothesized if you feel yourself getting sick you’re usually too far down the path once symptoms start to show and you feel rundown it’s because the immune system has already been called into action so don’t bother starving it if you know that other people in your household are sick or you know that you’re around people that are sick that would be a good time to fast before symptoms ever start to show because then you are strengthening those hepatic cells you’re strengthening that etapa G effect and you’re giving yourself that extra layer of defense that extra sort of incubation that you need so that the immune cells can actually get primed ready put their body armor on and get to work then again if you know that it’s a virus feed it if you know it’s bacterial starve it plain and simple so I hope this cleared some stuff up I know it’s not super super concrete and we have to piece some pieces together here but at least it gives you something that you can put into action and it’s what I’ve done personally and it’s worked fairly well for me although it’s just like everybody else I get sick too so as always make sure you’re putting it down in the comment section below if you have any questions and I will see you in the next video

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Intermittent Fasting Tip: Fasting When You’re Sick

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Intermittent Fasting Tip: Fasting When You’re Sick

Common cold and flu-like symptoms can be caused by either viruses or bacteria

Cold and flu infections are initially caused by viruses, specifically the rhinovirus and influenza virus

However, being infected with these viruses lowers your defense against bacteria, raising your chances of simultaneously developing a bacterial infection, whose symptoms are often similar to your initial ones

abstaining from eating limits the supply of nutrients, such as iron and zinc, that the infecting agent needs to grow and spread

For example, with fever, iron sequestration participates in the inhibition and killing of bacterial pathogens

During the APR, plasma levels of iron are reduced – Iron is a critical micronutrient involving numerous cell functions in prokaryotes and eukaryotes, and is especially important in proliferating cells

Although adequate iron is needed for a properly functioning immune system, the host must strike a balance between providing for its own needs and defenses while minimizing access to iron by pathogens

The importance of iron for bacteria and fungi is highlighted by their production of iron- trapping siderophores that increase the ability of pathogens to compete for this critical micronutrient.

*In short, fasting may be best to promote healing from bacterial infections, while eating food may be a better way to fight viral infections*

When animals are infected they stop eating and they switch to a fasting metabolic mode

*Fever is intracellular and food increases IFN-y (fever); cold is extracellular and fasting increases IL-4*

The adaptive immune response uses different strategies to ward off infection by pathogens – a subset of T lymphocytes, the CD4-expressing T helper (Th) cells, are important in directing this strategy

So-called Th1 cells primarily stimulate the cell-mediated immune response against intracellular invaders by activating macrophages and CD8+ cytotoxic T lymphocytes

Th2 cells favor the B-cell-dependent humoral immune response against extracellular organisms

Whereas gamma interferon (IFN-γ) is the hallmark Th1 cytokine, interleukin-4 (IL-4) is an important Th2 cytokine

Which is why, in cases of mild or moderate illness, it’s likely worth a try – so the saying, “Feed a Cold, Starve a Fever” might have some merit

Fasting may be best to promote healing from bacterial infections, while eating food may be a better way to fight viral infections

Colds are viral and fevers are bacterial

With a fever, the benefits are:

Promoting apoptosis of infected or neoplastic cells; eliciting pathogen heat shock proteins (HSPs) to enhance immune responses; invoking host HSPs that protect against pathogen damage; enhancement of inflammatory/immune cell function; and downregulation of immune responses by promoting apoptosis of lymphocytes and neutrophils

Increased amounts of glucose are used by infected cells; and tumor cells and other proliferating cells shift to aerobic glycolysis

Thus, proliferating pathogens are susceptible to increased nutrient needs and to the vulnerability of replication and synthesis

Bacteria feed off food

Viruses aren’t alive so no point in starving them; help the rest of your cells instead

References

1) Feed a Cold, Starve a Fever? (n.d.). Retrieved from
2) Listening to the body: Study examines the effects of fasting on infections. (2018, January 8). Retrieved from
3) Why do we lose our appetite when we are ill? (2016, April 15). Retrieved from
4) MS, E. (n.d.). Infection-induced anorexia: active host defence strategy. – PubMed – NCBI. Retrieved from
5) BL, H. (n.d.). Biological basis of the behavior of sick animals. – PubMed – NCBI. Retrieved from
6) EK, L. (n.d.). Why infection-induced anorexia? The case for enhanced apoptosis of infected cells. – PubMed – NCBI. Retrieved from
7) Depression and sickness behavior are Janus-faced responses to shared inflammatory pathways. (n.d.). Retrieved from
8) Cytokine, Sickness Behavior, and Depression. (n.d.). Retrieved from
9) CR, P. (n.d.). Cytokines and anorexia: a brief overview. – PubMed – NCBI. Retrieved from 2

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