Scientists believe two-thirds of all cancers are caused by bad
choices such as smoking, tanning beds, not exercising and the granddaddy
of them all: a poor diet.
When it comes to diet, one of the worst
types is one high in sugar. In fact, scientists are increasingly
discovering a dramatic link between sugar and cancer.
A clear
relationship between sugar and cancer leads scientists to two
conclusions: Sugar use contributes to cancer, and going without it can
slow the growth of the disease.
One hundred years ago, the average
person consumed just four pounds of sugar a year. Now, most of us take
in 40 times this amount—160 pounds a year.
Food manufacturers add
enormous amounts of sugar, often in the form of high fructose corn
syrup, to products we consume all day, every day, such as coffee drinks
and cereal, soda and snacks—even foods you wouldn't expect, like
spaghetti sauce and peanut butter.
For instance, a tiny container of fruit-on-the-bottom yogurt contains more sugar than a candy bar.
The Cancer-Sugar Link
Now scientists tell us sugar directly influences cancer cells.
The amount we consume can either feed those cells or starve them.
In
a study conducted at the University of Texas MD Anderson Cancer Center,
researchers fed mice diets high in sugar and observed they had a higher
incidence in breast and lung cancer.
"We determined that it was
specifically fructose, in table sugar and high-fructose corn syrup,
ubiquitous within our food system, which was responsible for
facilitating lung metastasis and 12-HETE production in breast tumors,"
co-author Dr. Lorenzo Cohen, professor of Palliative, Rehabilitation and
Integrative Medicine, said.
"We found that sucrose intake in mice
comparable to levels of Western diets led to increased tumor growth and
metastasis, when compared to a non-sugar starch diet," Dr. Peiying
Yang, assistant professor of Palliative, Rehabilitation and Integrative
Medicine, said.
The study suggests a diet high in sugar can
contribute to the formation of cancer. It also suggests that diet can
make a difference in the treatment of a person who has already been
diagnosed with cancer.
A Death Sentence
Fred Hatfield knows that first hand.
"It just absolutely amazes me that medical science is just now finding this out," he said.
In 2012 he received what amounted to a death sentence.
"The
doctors gave me three months to live because of widespread metastatic
cancer in my skeletal structure," Hatfield said. "Three months. Three
different doctors told me that same thing."
His wife, Gloria, recalls getting the news.
"It's a horrible, horrible feeling to have someone tell you that the
person you love only has three months to live and you're not going to be
with him anymore," she said.
The Ketogenetic Diet
Then
Hatfield heard about a low-sugar diet, called the ketogenic diet,
believed to slow cancer in some people. With nothing to lose, he gave it
a try, and to his astonishment, it worked.
"And the cancer was gone," he said. "Completely."
Hatfield's
recovery didn't surprise Dr. Dominic D'Agostino. His team at the
University of South Florida discovered mice with highly aggressive
metastatic cancer continue living when fed a ketogenic diet.
"We have dramatically increased survival with metabolic therapy," he told CBN News. "So we think it's important to get this information out."
And it's not just lab animals. D'Agostino has seen similar results in humans.
"I've
been in correspondence with a number of people and all of them are
still alive, despite the odds," he said. "So this is very encouraging."
The
ketogenic diet means no sugar and no starchy carbohydrates like bread
and pasta, which convert to sugar. D'Agostino says cancer cells love
sugar and starch because cancer thrives on the glucose from those foods.
Conversely,
removing the glucose results in starvation for the cancer cells.
Glucose also fuels our healthy cells, but if it's not there, those cells
can switch to an alternate fuel source called ketone bodies.
Cancer cells only run on glucose. D'Agostino says the deficiency in cancer cells can be used to defeat them.
"Your
normal cells have the metabolic flexibility to adapt from using glucose
to using ketone bodies," he explained. "But cancer cells lack this
metabolic flexibility. So we can exploit that."
Clean Eating
Since
processed food contains so much sugar and starch, people following the
ketogenic diet tend to cook whole foods at home from scratch.
Gloria said switching to the ketogenic diet was easy.
"You
can go online and (there are) cookbooks. It's clean eating, just very
clean eating. None of the sugars, salts, the trash food," she said.
When
it comes to cancer, sugar is considered public enemy number one.
Avoiding it could lead to prevention or slowing it down in people
fighting the disease.
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