Transcript
5E_Wq3RaXYY • Can We Eat To Starve Cancer? - How To Use Food As Medicine | Dr. William Li
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with this process happening with them
just pulling in more and more fuel and
growing in size are there foods that can
actually restrict these fat cells from
growing slash cut off their nutrient
Supply so they won't continue to get as
big yeah before we talk about fuels let
me just sort of foods let me just say
that actually our body has its own kind
of like regulatory switch so here's the
thing uh we talked about insulin uh that
rises in the body as a response to
eating basically food's coming in energy
coming in your body senses it it makes
this hormone um uh insulin and Insulin
actually helps to draw that energy into
regular cells as well as store stored
into fat now here's something really
important about normal healthy fat now
I'm going to talk a little bit more
about normal healthy
because understanding the normal allows
us to understand the abnormal if you
just jump to kind of like the the demon
all right then you miss the good guy
part of it right this is this like a you
know kind of like uh it's not black and
white um there's a transition where fat
is good until there's too much of it and
then and then it actually becomes
harmful and what we want to do is
respect our fat and tame it not vilify
it and not try to cut it out suck it out
you know and poison it so normal fat I
mentioned is an organ and that organ
organ it's an endocrine organ it's
actually like a thyroid like a pancreas
like an adrenal gland and this is quite
amazing to think about fat as an actual
organ and it releases about 13 different
hormones all right hormones are just
proteins that are made released by an
organ go into the bloodstream and they
go elsewhere in the body to help to
control different kinds of functions so
one of the things that fat does as an
organ it releases leptin leptin is sort
of an appetite regulator turns up and
turns down your appetite depending on
the number about the volume so controls
your behavior okay and the reason I'm
mentioning this is that you know what
when the leptin's high and it turns down
your appetite you don't want to eat so
much guess what less fuel less need to
keep storing that stuff in number one
number two it produces a super powerful
hormone called
adiponectin now many people may not know
this term adipine nectin but if I were
to draw your blood Sean take it to a lab
ordinary Hospital lab and measure all
the hormones in your body your adipic
nectin levels and Mine by the way would
be 1,000 times higher than any other hor
uh hormone in your body higher than your
thyroid higher than your testosterone
higher than any other organ and the
reason is
adiponectin is what allows insulin to
pull that energy in to your cells it's
another hormone made by fat by good good
healthy fat we need that fat to make to
get our energy our Basic Energy all
right now there's one more hormone I
want to talk about it's called resistan
made by fat and resistan basically is
the break to the gas pedal of a dipon
necton so if a dipon in at a thousand
times higher than any other hormone in
your body helps insulin pull fuel into
your body into your cells resistant is
the break to basically say oh whoa let's
a little let's slow down a little bit
normal balance right right so the life
is all about balance ad dionin resistant
leptin these are just three of the
hormones in normal healthy fat here's
the thing when you've got too much uh uh
fuel that needs to be packed up and
those fat cells get hundreds of times
bigger and then they replicate and stem
cells make more and more fat and they
get bigger and they get hypoxic in the
middle and they start dying because they
can't get enough blood supply what
happens that
inflammation actually derails your
normal Fat's ability to produce these
organ these hormones leptin gets screwed
up now you you don't know if you're
hungry or not you can keep on eating
it's worse okay now you can keep on
loading more fuel your adipine nectin
gets screwed up so now even though
you're eating and you've got all this
energy now your body can't pull it into
the cells doesn't even store it very
well and then the resistant goes Haywire
so basically it doesn't know if that
should slow it down or speed it up and
so basically it's kind kind of like uh
uh over um as as excess fat grows it's
basically like creating chaos and air
traffic control nobody knows where to
land the planes and so this causes even
more chaos so the important thing is how
do we actually tame that excess fat and
so the body can do some of it by itself
like our our body is hardwired to know
how to tame fat to some extent not if it
goes too crazy but secondly and this is
sort of like the surprise is that there
are certain foods that can do it as well
but the how your body does it is
actually incredibly important because
when we're not
eating okay fasting when we're not
eating like when we're sleeping all
right insulin goes down and our body
basically says oh when the insulin's
down we can burn fuel when insulin's up
can't burn the fuel can't tap into those
fat uh cells fuel cells when insulin's
down like when we're sleeping it goes
all right not eating we need to pull
into we need to draw into our fuel cells
let's pull some energy out and it starts
to actually burn extra fuel by burning
extra fat so when we're sleeping our
bod's hardwired as our metabolism is
hardwired to start burning down extra
Fuel and this is really kind of the
basis of thinking about intermittent
fasting uh timed eating uh you know the
longer we give our body's natural
metabolism or hard wirring to burn that
fuel the better it is now it turns out
that certain foods and this is the big
surprise that I write about eat to be
your diet certain foods can amplify that
effect not just when you're sleeping but
even when you're eating so it's an
override you can actually use food to
override that system so even though your
body is not supposed to be burning that
energy it goes let's just let's go ahead
and burn some energy anyway it's
fascinating fascinating one of the
things that I love about your work and
your book is that you're reframing food
as well because a lot of times we see
food as an enemy and you're saying food
is not the enemy it's actually the
solution you know um food is a big
contributor to so many of our problems
if we're talking about obesity if we're
talking about excess fat gain and it's
also the solution right and so choosing
intelligent Foods because that's the
thing these Foods it's not just food
it's information and there's an
intelligence underlying all of this
stuff and how it's influencing our
metabolism so at this point let's get
into and circling back to my initial
question when talking about the growth
of our fat cells in angiogenesis the
creation of those new blood vessels
let's talk about first in this fat loss
equation what are some foods that have
anti-angiogenesis
properties that can help
to cut off that nutrient Supply to fat
cells well this actually goes all the
way back to my research in the uh late
1980s I was super interested in finding
ways to fight cancer by cutting off the
blood supply so I worked in a lab and we
were we were looking at uh before
Pharmaceuticals were developed
biopharmaceuticals were developed for
this area we were looking for natural
sources and the and um and we're looking
for anything in nature that could give
us a clue uh of of how nature might
provide a natural chemical that could
cut off the blood supply to cancers now
we knew actually even back then like
licorice could do it St and licorice
could actually cut off the blood supply
to tumors feeding extra cells from that
you don't want to be you're not talking
about Twizzlers what's that you're not
talking about Twizzlers are you we're
not talking about Twizzlers so I'm not
talking about Twizzlers I'm actually
talking about Licorice and it turns out
that there's a natural chemical found in
licorice called ice ol liquitron all
right now as a researcher one of the
things that we're able to do is to know
something's in a natural compound take
it out and test it in the lab we tested
isol liquitron on blood vessels that are
growing to feed harmful cells like
tumors like tumor blood vessels and it
actually powerfully stopped those extra
blood vessels but the thing that really
brought it home for
me and uh I've never forgotten this is a
a research study that was done by a uh
Greek researcher working in
Switzerland uh his name was Ted FIS and
he looked at the
urine of uh villagers outside of Kyoto
Japan these villagers were all
vegetarians I ate mostly soy okay and
and he had Frozen jars of this urine and
his boss his supervisor said you know go
find something interesting to do with
the urine or toss it out so he went to
look for hormones inside the urine
thinking that he was a hormone he was an
endocrinologist so he was interested in
looking at hormones when he ran the
urine underneath this thing called a
mass spectrom tree okay you see these
spikes and he found a spike that didn't
belong in the human and it only came
from the
soybean and it was a spike of genin so
he cut out that Spike which we can do in
the lab and he tested it on blood
vessels
that would be feeding cancer and
immediately stopped those blood vessels
from growing and so this was the
Discover that genesin found in
plant-based foods like soybeans could
actually be anti-androgenic and they
could cut off the blood supply feeding
cancers really was a
mindblowing uh Discovery and I read this
uh and and I know Ted FES um we had this
conversation about it and it was
absolutely amazing to think about what
other Secrets might be in food that
could help to control the blood vessels
now now remember earlier we talked about
the fact that growing fat needs extra
blood vessels right so it's trying to
grow those blood vessels if you
deliberately cut off the blood vessels
to that are feeding fat all right it'll
actually shrink the T it'll shrink
tumors and it also shrink fat so
although the tumor wants to grow more
blood vessels and it can't so it starts
to die in the middle if you then step in
and do an intervention to really cut off
the blood vessels that fat mass will
shrink and this has been shown very
conclusively in the lab that this can
actually happen green tea another the
katans
egcg powerful
anti-androgenic uh can cut off the blood
supply feeding tumors can cut off the
blood supply feeding fat as well so one
of the reasons I really came up to this
whole idea of body fat is not only my
background in this research thinking
about well maybe fat growing the way
that we talked about cloning itself
getting bigger and bigger bigger your
hypoxic in the middle that to me
resembles a tumor exactly and so the
question is could we tame the tumor by
uh taming the blood supply and I've
remembered the work that was done
earlier and it turns out that many of
the foods that I wrote about my first
book that are anti-angiogenic my first
book being e Tob disease more than 300
Foods there a whole chapter on
anti-androgenic cancer starving Foods
blood vessel taming flu Foods and I
started to realize here was this whole
opportunity to look at ways of taming
our body fat as well and the
epidemiological study supports it wow