Vitamin C, Vitamin D, Zinc and COVID - Prevention of COVID

welcome back guys it's actually been a little  while since I made a video because I've been   working and I'm actually in the middle of a move  but I think it's important to just get this video   done because of the urgency with all the Covid 19  outbreak that's going on in the United States and   the rest of the world so in this video I actually  want to talk about the impact of vitamin D and   vitamin C and also the weather cold weather versus  warm weather and humidity levels and how that   affects the common cold how that affects covid 19  influenza virus so let's go ahead and get started   so first things first does colder temperatures  make you more prone to getting the common cold   to getting influenza to getting covid 19 which is  caused by the SARS coronavirus type 2 most health   experts agree that when it's colder out more  people end up spending more time indoors and   this actually facilitates the spread of viruses  also experts believe that when it's warmer weather   the immune system might actually function a little  bit better compared to colder weather and there   are actually studies out there that looked at  specific viruses and how they spread during   cold versus warm weather and at different humidity  levels back in 2007 there was this study in this   one particular study looking at the spread of the  influenza virus they put guinea pigs together in   a chamber and carried out different environmental  experiments on them they found that low relative   humidities of 20 to 35 percent were most favorable  for infection while transmission was completely   blocked at high humidity levels of 80 percent they  also found that when guinea pigs were kept at 5   degrees Celsius transmission occurred with greater  frequency compared to 20 degrees Celsius in a 30   degrees Celsius there is no transmission detected  at all the authors concluded that low relative   humidities produced by indoor heating and cold  temperatures favored spread of influenza viruses   I also want to add that during the winter months  during the cold weather people can get runny noses   without actually having a cold but if they have a  cold and they have this running nose those viruses   can be spread easier in those secretions that  come from nose and then people often wipe their   nose without cleaning them and then shaking other  people or touching surfaces and then other people   touch those surfaces so that's another factor into  why viruses spread better in the winter months 40%   of common colds are caused by rhinoviruses the  second most common cause of cold is the corona   virus the normal coronavirus not this novel  coronavirus aka SARS coronavirus - it's been   shown that the Rhino virus reproduces more quickly  at colder temperatures which means you can catch a   cold more quickly if you're cold and this probably  applies to the corona virus as well it's likely   that with a combination of all these five factors  that I just mentioned meaning colder temperatures   lower humidity people staying indoors more often  in the winter months cold weather causing runny   noses and our immune system being more active  when it's warmer these combination of factors   likely explains why colds flu and covid 19 are  more likely to cause infections in the winter   months but there is likely a sixth factor as  well and that's vitamin D our bodies don't   normally make vitamin D unless we get sunlight in  the winter months for most of us in the world we   don't get enough sunlight to make enough vitamin D  unless you live in a warmer climate then maybe you   are an exception so if you aren't getting enough  sunlight in the winter months that means you have   to get enough vitamin D in your diet and if you  don't do that you'll have low vitamin D levels   vitamin D helps regulate our calcium levels and is  important for bone and muscle health it also plays   a role in regulating our immune system but its  exact role is not known so why is this important   when it comes to the common cold and the flu  and possibly even covid 19 so vitamin D doesn't   actually affect viruses it actually affects  the way our immune system handles infections   such as viruses back in 2017 there was a large  study in the British Medical Journal and it was   a meta-analysis meaning it looked at a bunch of  other studies combines all the data from each of   those studies and analyzes and interprets  these numbers into one huge study in this   specifically I looked at over 25 randomized  control trials with a total of over 11,000 people   who took vitamin D in this meta-analysis that  showed that there was a significant association   between low vitamin D levels and being more  prone to developing respiratory infections it   also showed that daily or weekly supplementation  with vitamin D have the greatest benefit for those   with a vitamin D deficiency the ones who benefited  the most were the ones with more severe vitamin D   deficiency specifically blood levels below  10 and G's per ml and this decreased their   risk of respiratory infection by 50% if they  had vitamin D supplementation it also showed   that all participants experience some beneficial  effects from regular vitamin D supplementation   not just if they were deficient it also showed  that taking occasional high doses of vitamin D   did not produce significant benefits so the  key takeaway there is that you have to take the   vitamin D on a relatively routine basis for it to  be effective and these results were statistically   significant with a large n of over 11,000 so what  is my recommendation for taking vitamin D the best   thing that you could do is actually have your  doctor check your vitamin D levels if low you   could get vitamin D supplementation maybe this  is done by getting more in your diet maybe this   is done by taking a vitamin D supplement exactly  how much you take should be a discussion between   you and your doctor I do realize that not everyone  from a practical standpoint can get their vitamin   D levels checked a good broad recommendation would  be to take 800 IU or 1000 I use either every day   or every other day and it's highly unlikely that  someone taking that dose every day is gonna run   into vitamin D toxicity but again that's a broad  generalization so we can get into a little bit   more details with that right now if you're getting  your vitamin D levels measured you want to aim for   a level between 20 to 30 NGS per ml and definitely  do not exceed 30 9ng per ml we also know that too   much vitamin D can be a bad thing vitamin D is  one of four fat soluble vitamins and that means   the body stores the vitamin more readily in the  body compared to non fat soluble vitamins and   this is significant because storing it in the  body means more potential for it to have toxic   effects so just remember too much is not a good  thing with vitamin D as well as other supplements   some brands are more trustworthy than others my  go-to source to find out trustworthy brands for   vitamins and supplements and such is ConsumerLab  calm and this is an independent lab that tests   various products I have no association with them  and there's no financial relationship that I have   with them so you can check out that website the  vitamin D that I personally recommend I have no   relationship with this company either would be  nature made this nature made brain for vitamin D   is also recommended by a consumer lab if you  want to purchase on Amazon I'll provide a link   below vitamin C is a water-soluble vitamin that  is important for overall immune health its exact   role is not known however it does seem to help the  function of white blood cells but again the exact   role in our body's defenses is unknown vitamin C  is also important for iron absorption and being   deficient in iron can make you more vulnerable to  infections in general but normal recommended daily   intake of vitamin C for adults from the diet and  or from supplements is 75 to 120 milligrams you   can get about 80 to 90 milligrams from a cup of  orange juice or a sliced orange or even more from   a kiwi fruit or a couple of sweet peppers so it's  pretty easy to get adequate amounts of vitamin C   just from the diet alone it's common folklore  that taking vitamin C supplements helps treat   cold symptoms but for the most part that folklore  just doesn't hold up to scientific study in 2005   researchers analyzed 55 published studies that  looked at vitamin C's ability to fight symptoms   of the common cold and the findings were pretty  underwhelming in most of the studies they found   no benefit to taking vitamin C to treat a cold  though one large study found that people taking   a very large dose eat thousand milligrams at the  start of a cold got better faster but subsequent   studies were not able to confirm these findings  as of now there's not enough research to recommend   that people take vitamin C supplements either  before or after they get a cold so once again   there's no evidence that taking a vitamin  C supplement even at high doses can protect   people from the effects from coronaviruses  this strategy is being promoted on various   websites and social media high doses of vitamin C  given intravenously are currently being looked   at in covid 19 patients in China who developed  pneumonia so those results are still pending but   taking in more vitamin C than you need can lead  to some side effects that includes GI upset so   stomach upset maybe a little diarrhea here and  there and if you take too much over the long   term that can lead to kidney stones and possibly  cataracts so until there are further studies that   definitively show that vitamin C supplementation  is beneficial and preventing and/or treating   respiratory illnesses such as the common cold flu  and now covid 19 I do not recommend taking extra   vitamin C unless you are vitamin C deficient and  it's highly unlikely that your vitamin C deficient   if you eat food on a daily basis zinc has been one  of the most popular suggestions for helping with   symptoms of cold and even this covid 19 there have  been conflicting results about the effect of zinc   on the severity and duration of cold symptoms some  studies showed that zinc reduces the duration of a   cold by half while others showed no effect another  study found that the type of zinc taken determine   the result zinc gluconate lozenges that provide  13 milligrams of zinc lessen the duration of colds   but zinc acetate lawson jizz that provided 5 or  11 milligrams of zinc did not zinc has also been   shown in a lab study to inhibit the replication of  corona virus in cells not this novel coronavirus   but the regular coronavirus there's no evidence  at this time though to suggest that using zinc   lozenges can prevent this novel coronavirus  this covid 19 and additional research is   needed to determine whether zinc actually has an  effect on colds also keep in mind that excess of   zinc ingestion can lead to copper deficiency and  can impair the absorption of antibiotics and the   use of zinc nasal gels or swabs has been linked to  temporary or permanent loss of smell traditionally   a kanesha has been used to help treat cold  symptoms there have been multiple studies that   have suggested that taking it when cold symptoms  first begin reduces the length and severity of   symptoms however these studies were very low  quality and higher-quality studies that have been   done since then showed that there was no benefit  to doing so okay now a final word regarding herbs   and supplements it's difficult to talk about most  herbs in supplements with scientific Authority   because most have not been well studied for  effectiveness for side effects and for appropriate   dosage also the FDA does not strictly regulate how  herbs and supplements are manufactured therefore   are compared to prescribed medications and non  prescribed medications is a bigger unknown in   terms of strength purity and safety so it's best  to talk to your doctor before you start taking   any supplement many interact with medications  and many interact with each other and some are   not recommended for people with certain health  conditions most supplements should be avoided by   women who are pregnant or breastfeeding and most  haven't been tested for safety and children and   therefore should not be given to them now I'm not  trying to hawk any products like this guy you're   saying that silver solution would be effective  but what I am trying to do is build this channel   to get up-to-date and accurate health information  to you so if you found this video useful give it a   like and you can see me in the next one especially  if you subscribe and click on that Bell button

Channel: Doctor Mike Hansen

Views: 3,004,823

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Id: UAHhhweamIU

Length: 12min 41sec (761 seconds)

Published: Mon Mar 09 2020