While it’s not breaking news that too much sugar in your diet can lead to serious health concerns such as diabetes and obesity, there have been a lot of questions regarding sugars relationship to cancer. We know that sugar consumption can impact our insulin levels which in turn can lead to chronic disease but… does too much sugar directly cause cancer?
While researchers are continuing to try to understand the direct connection investigate the connection between sugar and cancer, we do know that the power of a healthy, low sugar diet has powerful health benefits.
So let’s learn some important facts to understand how sugar can affect cancer cells!
How Does Cancer Grow?
Our healthy cells are programmed by their DNA to follow the body’s rules so-to-speak, meaning that they follow a healthy pattern of growth and replication as the body sees fit. A cancer cell is first created when a gene mutation happens to a healthy cell or a small group of cells.
Once a cell has mutated its original healthy programming or signals become faulty, leading the cell to start to grow and multiply too much and form a lump called a tumor.
As tumors grow and their cancer cells multiply, they need an increasingly larger blood supply. In order to do this, they send out special signals to recruit the formation of new blood vessels (angiogenesis) to continue to help them grow. Once a cancerous mass can stimulate blood vessel growth, it can grow bigger and grow more quickly (1).
Cancer cells, just like our healthy cells, need oxygen and nutrients to grow and survive. Glucose is the sugar our bodies use most and is used as energy to feed every cell in the body, healthy or cancerous. Having a glucose supply to feed our cells is so important that even without any carbohydrates in your diet, your body can make glucose from other sources like protein and fat.
Having a glucose supply to feed our cells is so important that even without any carbohydrates in your diet, your body can make glucose from other sources like protein and fat.
So Does Sugar Actually Feed Cancer Cells?
We know that too much sugar isn’t good for us, but does sugar directly feed cancer? The short answer is yes – but as we just learned, sugar feeds EVERY cell in our bodies! This is where things get a little confusing – there is an important difference between too much sugar in your diet creating an environment that may lead to more cancer growth and sugar directly feeding cancer cells leading them to growth.
Research has shown that it’s actually sugar’s relationship to higher insulin levels and related growth factors that may influence cancer cell growth the most, and increase the risk of other chronic diseases (2). So you can think of this as too much sugar creating something of a more toxic environment which can promote cancer growth.
Many types of cancer cells have plenty of insulin receptors, making them respond more than normal cells to insulin’s ability to promote growth (3).
Furthermore, obesity, diabetes, and chronic overeating have had a positive correlation to the growth and development of cancer cells but not necessarily a direct causal link. According to the Canadian Cancer Society, being obese can cause changes in hormone levels – such as sex hormones or insulin – which increase the risk of developing breast, colon or uterine cancer. (4)
What You Should Do
Sugar has been related to a multitude of health problems, including diabetes, heart disease, stroke, immobility, elevated triglycerides and high blood pressure. A balanced lifestyle and cutting out refined sugars from soda and processed foods is a good start to decreasing your risk of cancer cell growth, as well as those other conditions.
1. Focus on a Balanced Diet
Consume your daily recommended amount of fruits and vegetables. Ensure you are getting enough fiber, iron, and protein in your diet. Do not drink fruit juices that have added sugar, and use natural sweeteners such as honey or stevia, and avoid high-fructose corn syrup and genetically modified sugar or sugar replacement such as aspartame.
2. Eat the Right Amount of Sugar
for women, have no more than six teaspoons (25 grams) of sugar each day, for men, have no more than nine teaspoons per day (37 grams); this equals to 100 calories for women and 150 for men. The majority of people in America eat over double that amount, averaging at around 22 teaspoons per day. (5)
3. Watch for Hidden Sugars
fructose, lactose, sucrose, maltose, glucose and dextrose are all forms of sugar you can find on the Nutritional Facts label on the back of your next meal.
Other natural sugars: Molasses, agave nectar, honey and maple syrup are natural sugars and contain antioxidants that can protect your body from cancer. But consume these in moderation, as they contain the same amount of calories as any other kind of sweetener. (6)
4. Move More
Regular exercise decreases insulin resistance and helps you maintain a healthy body weight. Research suggests that lean, active people can consume a higher GI diet without increased cancer risk (3).
Remember that finding something you enjoy and can do consistently is the key here – you don’t need to go start running marathons!
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