As an expert in the field of cellular biology, I can explain that cancer cells, like all cells, require nutrients to survive and grow. However, they often have altered metabolism compared to normal cells. One of the key nutrients that cancer cells feed on is glucose, which they take up and use at a higher rate than normal cells to support their rapid proliferation. This is due to a process known as aerobic glycolysis, also referred to as the Warburg effect, where cancer cells preferentially use glucose even in the presence of oxygen. In addition to glucose, cancer cells may also rely on other nutrients such as amino acids, fats, and utilize various metabolic pathways to generate the building blocks and energy required for growth. They can also modify their environment to increase the availability of these nutrients. It's important to note that while a high-sugar diet is not healthy and can contribute to inflammation and other issues that may increase cancer risk, there is no direct evidence that drinking sugary beverages or consuming high-glycemic index foods causes cancer cells to grow faster. However, maintaining a healthy diet can support the immune system and overall health, which can be beneficial for cancer prevention and recovery. read more >>

Beverages:Avoid sugary drinks such as soda, lattes or sweetened teas. ... Water, unsweetened tea, vegetable juices and other sugar-free fluids are healthy options.Soy milk, milk and kefir have a low glycemic index, and offer many other beneficial nutrients.Choose whole fruit over fruit juice.More items...read more >>