There is a lot of confusion about sugar. Sugar is an important part of our daily diet, but what is the consensus between sugar and cancer? Can eating more sugar cause cancer? How does the sugar we consume through food and beverages affect our health? This article will uncover these answers step by step. Glucose is the fuel of life A web search on “sugar and cancer” reveals that sugar is the favorite food of white people who die and have cancer. But the idea that sugar is responsible for initiating and driving cancer growth is an oversimplification of some complex biochemical processes. Let’s start by actually understanding sugar. Sugar comes in many different forms, the simplest type being single molecules such as glucose and fructose. These simple sugar molecules can be linked together in pairs or as longer molecules to make up carbohydrates, which are our body’s main source of energy. Our bodies are made up of every living cell that helps us breathe, think, produce sight, hear, etc. Cells need some form of substance for energy supply, and these energy supply substances begin with glucose. Cancer cells usually grow rapidly, which requires a lot of energy, which means they need a lot of glucose for energy. Cancer cells also require large amounts of other nutrients, such as amino acids and fats. Some people think that since the tumor growth process relies on sugar for energy, that removing sugar from our food will stunt the development of cancer. Unfortunately, it’s not as simple as one might think. All of our healthy cells need glucose, and there is no way to cut off only the sugar supply pathway that cancer cells need. There is no evidence that following a “sugar-free” diet reduces the risk of cancer or increases the chances of survival in cancer patients. Conversely, severely restricting carbohydrate intake may be detrimental to health. In cancer patients, where some treatments may result in weight loss, limiting nutritional intake may prevent recovery and put lives at risk. Sugar does not cause cancer, so why worry about it? Sugar does not directly cause cancer, so why should people be encouraged to reduce the amount of sugar in their diet? This is because there is an indirect relationship between the development of cancer and sugar. Over time, large amounts of sugar can lead to weight gain, and strong evidence suggests that being obese after being overweight can increase the risk of 13 different types of cancer. In fact, obesity is the most preventable cause of cancer other than smoking. We need to focus on the intake of added sugars, not just on the amount of natural sugars in fruits, milk or healthy starchy foods. Most sugary beverages contain more sugar than the maximum daily intake of sugar for a single human dose. This extra energy will promote weight gain and is not beneficial to health. The story about sugar and cancer is complicated. On the one hand, sugar itself does not induce cancer, and there is no way to treat cancer by specifically blocking the sugar supply to cancer cells without damaging normal cells. There is no evidence that a low-carbohydrate diet can treat cancer; rather, it is particularly important that cancer patients get enough energy. However, excessive sugar intake does cause problems such as obesity, which indirectly increases the risk of cancer. Although not eating sugar will not stop the development of cancer, we need to lower our sugar intake appropriately for health reasons.