Transcript
2i8FVcd4jro • Why You Shouldn't Eat These Two Foods Together | Dr. William Li
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Kind: captions Language: en what happens when you put milk into tea I know you're a big fan of tea on the last conversation you spoke about a lot of the benefits of tea but I think I've heard you say that if you add milk to your tea that actually you reduce some of the beneficial effects is that right you know those scientists that do television shows to actually uh make science accessible to people this is kind of where we need to go with this this topic so look tea green tea uh especially has a natural Pol phenol that's called kakin egcg epig Galo cakin gallate egcg and the C and kakin is actually just part of the natural substance in the Tea Leaf so whether you're um brewing tea with a bag or whether it's loose leaf tea or whether it's matcha which is just powdered tea leaves um the fact of the matter is that into the Brew into the liquid the hot liquid uh comes all these phytochemicals including these cakin so when you sip straight tea the cakin go right in they're easily absorbed by your body and so you know our blood levels of kakin go way up so many things that kakin can do one of the things that's important is actually it's it's a relaxant it actually helps lower your stress it lowers the catac colines and so other things it helps your lipids it actually also helps fight cancer it's anti-inflammatory kind of like curcumin it's it's a substance that has so many beneficial things that at least when I drink tea I want I want to get as much as I can out of my food all right now I I deeply respect traditions of of eating and drinking and one of the things that um you know I know is a tradition in England is you know you put or in Ireland you actually put some milk or cream into your tea it actually um changes the flavor profile uh and and it's lovely I you know i' I've had plenty of teas in England before and and I I I find it to be just such an incredibly um uh nice I feel great you know sort of like having an English tea put dairy in it here's what you need to know Dairy and I'm talking about Cow Dairy right so not not nutmilk this is applies to Cow Dairy we'll come back to the nut milk in a second Cow Dairy okay actually is fat milk has got fat in it like butter which is made out of milk and um and the fat when you put it into your tea does change its flavor but that's not what we're talking about here we're talking about the fact that when milk or cream is put into tea the fat molecules in the Cow Dairy form little soap bubbles these are microscopic soap bubbles they're called my cells fat likes to stick with fat and so um tea is mostly water and so when you pour milk into tea the the bubbles the the dairy fat sticks together and a little makes a little tiny soap bubble and what does it do those soap bubbles trap the polyphenols from tea it traps the kakin so you've got some good stuff wrapped in a soap bubble of of dairy and now when you drink the tea the canakin is trapped in the soap bubble it doesn't get absorbed as easily in your stomach and it just rolls down your gut and a lot of it comes out the other end okay and so you're missing out on a lot of the good stuff you get a great you know you get a nice flavor and so I have you know what I'm telling you is that if you're drinking uh milk uh or or cow milk dairy put it in your tea you're you're getting the you're getting good flavor if you if that's what you like but you're missing out on all as as most the polyphenols so just be aware that that's what you're actually doing now if you want to actually still cut the tea with something that is milk like nut milks are fine because they don't actually have the same fatty reaction that the dairy cow Dairy has so almond milk cashew milk um those those soy milk they're all fine I mean that's really interesting and I like the way you frame it with this deep respect for cultures and traditions because I hear that and I think for someone who might be listening or watching this and they think yeah but you know what it's just a part part of what I do like I I love putting milk in my black tea or I know some people even put it in their green tea which I certainly haven't tried before they might hear that and they may not want to change what they do but is this where potentially supplements could come in let's say someone they like the taste of Milky tea but they hear that and think well I want all those benefits of those polyphenols and the kakin that Dr Lee was talking about maybe I can boost that another way by taking a supplement is there any Merit to that way of thinking and I guess you could expand that broadly into what is your view of you know supplements as a whole huge category but there are some really good quality supplements out there perhaps you could speak to those issues a little bit please yeah well let's let's pick up the Thro on te for a second because I I had this discovery that might be uh useful for your listeners who are in exactly that situation where they like the taste of milk in their tea I discovered there is something called milk tea and it's actually from Taiwan it's grown in the mountain and it actually it's it's just pure tea leaves that when you brew it it tastes like it's got dairy in it oh wow it's quite it's quite amazing I mean if if I made a cup of that for you and then made a cup of of of tea with milk in it you would have a hard time telling the difference it's quite remarkable milk tea it's a kind of I think it's an ulong style tea so it's mildly fermented and still got green properties it's got polyphenols in it but it literally it has to do with the way the climate the the way that it's naturally grown the type of tea it is so all right so let's move that aside for a second um um all right so what about supplements you know I I think that we should look to the word itself a dietary supplement means something to top off so I always tell people you know if you have a choice of getting it from the whole food the whole food will tend to have a lot of other stuff that's good for you if you eat whole plant-based foods for example you get the fiber you get the polyphenols you get a lot of other chemical substances you get the natural peptides that are found in foods but if you got a pure supplement you might get the one molecule or two molecules that it's been created for like a vitamin C supplement um if you want to top off your vitamin C it's pure vitamin C you're going to get a lot of it if you if you take your take a m vitamin but you know if you had Citrus you're going to get all that flavor you're going to get the a different kind of flavor you're gonna you get some you do get sugar you get fiber you got the lemon and and all these other uh hesperadin all these other bioactives that you can't get from a regular supplement alone that said you are absolutely right supplements can be really important particularly for people who have difficulty getting a lot of of of some nutrients or their food so for example um I think omega-3 fatty acids are a great supplement if you get a high quality omega-3 not everybody eats oily fish you know day and you know two to three times a week you know you only need to eat um the amount in each serving with the size of a deck of playing card so you don't need to eat very much but you know that's not something people most people do people who live on the on the coastline they might be doing it but many people don't um so Omega threes are so important to our health I mean this has been shown time and time and again that's a supplement that's that's definitely worth taking and and and it's a lot easier to swallow um Omega-3s than it is actually to go to their fishmonger and then to look at what the Catch of the Day is that's an example another example of a supplement I think is really worth worth taking um is probably vitamin D3 okay vitamin D uh you know for for those of us who live in the Northern Hemisphere where we don't have as much sun uh all the time all year round and where it's cold so we're indoors a lot and not always Outdoors under the sunshine so I'm not talking Cod Del Soul I'm not talking about South Africa you know or Australia I'm talking about you know England northern Europe North America you know and sort of the northeastern side okay we don't get as much sunlight even if we do go outside because it's cold we wear a lot of clothes and so our skin tends to be covered up and so vitamin D is made by our skin when sunlight actually hits it and so we don't we tend to be vitamin D deficient so here's an example of where you can eat foods like mushrooms that can have vitamin D for example uh by the way I don't know if this is a little little tip a tidbit for you I just told you that human skin with ultraviolet radiation from the sun will make more vitamin D but did you know that if you took just a plain old lowly white button mushroom that contains some vitamin D if you were to um before you eat it when you buy it if you slice it like slice it pretty thinly and you lay this the slices out and you put it in your window sill so your sun the Sun Shines on the slice it will make more vitamin D wow you will actually you'll actually convert more vitamin D into the into the mushroom so if you're going to prepare something with mushrooms slice them ahead of time stick them in front of a sunny window no matter what time of the year it is you know um maybe a couple hours before you um cook with it and the mushrooms will actually give you more vitamin D but it's it's not it's a lot easier to get your regular dose of daily vitamin D um by actually just having D3 supplements and so that's an example yeah no I love that and and certainly what I found with my patients like I I always adopt a food first approach definitely but many people these days have got as as you've already touched on super busy stress out Lifestyles and they're rushing around and they either don't have time to cook a fresh whole meal they're often buying things on the go that probably aren't the best thing for them they probably got high levels of stress so actually they're probably not even absorbing as many nutrients as they could because their digestive system isn't in the right place to absorb those nutrients and I found sometimes you know a good quality supplement like let's say a whole food sometime a green supplement which has lots and lots lots of different phytochemicals prebiotics polyphenol in it could be helpful and sometimes could be helpful in the short term to help them have more energy and feel better so that they can then make those lifestyle choices so I know a lot of doctors take a quite a hard line on supplements but you've demonstrated some really important ones that I think have been shown in scientific Studies have real benefits like vitamin D for sure so yeah I really really appreciate you you know I wanted support and underscore what you just said you know that I I you know there's there's always something valuable to look at the history of things supplementation um did wasn't developed to be an online internet scam okay supplementation was a really serious effort to improve global nutrition yeah because you know back in even the early 20th century most of the world was undernourished that's different than Mountain nutrition I mean maybe there was some Mal nutrition too but undernutrition under nourish means that you know we were eating food but we weren't eating enough of the right things at the right time and so one of the things that supplements were developed to do is to really fortify supplement top off you know um everyone so that everyone could have an more equal chance of being of filling up becoming replete with the key micronutrients that we our body needs to actually survive and so I think it's a mistake to disparage supplements as a category I mean this is a theme of what we're talking about today yeah let's not you know let's not throw the baby out with the bath water let's not character assassinate entire categories of things let's be I mean let's let's be Discerning and try to know exactly what we're talking about there are some dietary supplements that are absolutely valuable some that uh research has actually shown proven to be helpful and some that are can be life-saving uh as well pregnant moms really need to be taking folage you know if you don't have those you'll have neural tube defects in your babies the the risk go much higher so you really want to be able to actually take yeah the evidence and so this is the other thing I think maybe a useful um coat hook or hat hook to hang for your listeners is that supplements are the real deal because they were once designed originally designed to help the body top off of with what it actually needs but if the marketing and we're back to marketing now sounds too too good to be true if the claims sound like they're just magical claims that's when you're um that's when your spidey sense your radar needs to go on that you know maybe maybe there's something not quite uh fully honest about what is being told about this and it's being misrepresented and so I think that every consumer needs to be able to I mean again this is where I come back to we all have mobile devices we can easily search something when in doubt look it up yeah check it out and then make your own decision if that if that fits your if it fits your comfort zone organic or non-organic is another topic that people find confusing if people are able to access organic and they are able to afford it in your view are there any benefits to choosing that right well I want to just tell everyone that first of all I was a skeptic for many years about organic food I thought it was marketing I thought the food looked beautiful was very expensive and I thought it was mostly marketing and the marketing message that I received as a consumer was here's this beautiful food that's more expensive and by the way we don't grow it with pesticides and so you've got less harmful chemicals on it and I you know I it didn't feel right to me and I had all these questions in my head about like whether or not that's really true and what if I just wash my food a little bit more I mean I I I wasn't really sure what was real or not well I changed my mind a few years ago and I'll tell you I was at the Royal Society in London actually at a really incredible meeting with um horticulturalists with astrophysicists just a bunch of incredible scientists and I had the privilege of sitting next to a horticulturalist and I was I was talking with her about a a new paper research paper that had come from out of the journal nature which is a British publication one of the Premier um scientific uh journals and I said you know I just read this paper that was really astounded me they looked at strawberries and they were looking for the natural substance ELC acid which is what makes strawberry's tart and electric acid is anti-inflammatory it helps your immune system it starves cancer I've done research on electric acid myself um and so I know how power powerful it is and they were looking at strawberries comparing organic versus um convention grown strawberries another way to say that is strawberries made grown with pesticides or not with or no pesticides and they were looking at elic acid in the strawberries and when they measured the conventionally grown strawberries they all had some elic acid that was fine okay um I expected that but then when they measured the organic strawberries every single organic strawberry they measured had two times or more of the elic acid and I thought that was absolutely astounding that an organically grown fruit would actually have more of that beneficial substance that Mother Nature's kind of um bioactive and so I talked to the horticulturist and I said okay so help me understand why right so look you know you know when you're talking to a real scientist when when scientists admit that they don't know something yeah right so and and that's how anybody who says they know everything probably not a scientist I mean so so I I literally admitted my my ignorance about this and I asked the horor culturist can you help me understand why that might be and she gave me this answer that I've subsequently Dove deeply more deeply in and it's absolutely true it's true with coffee as well Mother Nature um uh in part made these bioactives like elic acid in strawberries or in coffee chlorogenic acid is another one of these and the way that um plants respond to bugs nibbling on the stems and leaves biting at them okay that's the pest okay okay might make the plant not look so nice all right might even like might even Mar the fruit a little bit so it's not quite as beautiful but the plant re reacts to those little nibbles as an injury as a wound and in response and the wound healing response it produces more ELC acid or in the case of coffee it makes more chlorogenic acid so the little nibbling is part of kind of the way that Evolution actually developed um how plants respond to create more of these bioactives so what happens so why is there this difference well if you actually grow a strawberry with pesticides there's fewer bugs the plant looks nicer fruit looks nicer no bugs no injury less electric acid being made and so all of a sudden like I this light bulb went off in my head and I've this is a few years ago that I I I I realized this and I had this conversation everywhere I've looked uh any research that's been done it is true that the bioactives are higher in the OR organically grown plants and and that started to change my mind about Organics because the argument now is not that Organics have less bad stuff the argument is the Organics have more good stuff now all of a sudden I have a different view of the the nature of how this fruit is grown and what the benefits of growing without pesticides are