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As cancer is a complex disease that affects individuals differently, claims that any one food or superfood can prevent cancer are often an oversimplification, explains Senior Dietitian Gerald Wong.
Foods such as mangosteens and soursops are commonly associated with anti-inflammatory or anti-proliferative properties against diseases. However, there are limited studies on its benefits in cancer prevention.
While popular, these superfoods—that is, foods that are rich in nutrients and offer health benefits—should not be a diet replacement, and should instead be viewed as an additional means to reduce risk of disease and promote good health. As with any other foods, they should be consumed in moderation and accompanied with healthy dietary and lifestyle habits for overall better health.
We know that being overweight or obese is a risk factor to a variety of cancers. Rising obesity rates and declining physical activity levels in urban cities have become a cause of concern as these changes of lifestyle coincide with rising risk of chronic diseases including cancer, heart disease, high blood pressure and Type 2 diabetes, to name a few.
This pattern is evident in Southeast Asia, which has seen upward trends of developed countries with a rising overweight population based on Body Mass Index (BMI) of above 27. Malaysia is high on the list at an average BMI of 44.2, followed by Thailand at 32.2 and Singapore at 30.2.
However, while it is important to stay within a healthy BMI range, body weight distribution has become equally important in determining risk of chronic diseases. For instance, individuals with an ‘apple shaped’ body with fat concentrated around the midriff are more at risk of chronic disease compared to individuals with more evenly distributed body weight. One easy way to determine a healthy body weight measurement is to measure the waist circumference; Asian men and women with a waist circumference of <90 cm and <80 cm respectively fall within a healthy range of body weight distribution.
When it comes to maintaining a healthy weight, it is a fine balance between what goes ‘in’ in terms of calories consumed, and what goes ‘out’ in terms of physical activity and calories burnt.
However, when we talk about achieving weight loss towards a healthy BMI for cancer prevention, one way is to tip the energy balance by reducing energy-dense foods. This can be done by simply adding more fibre to your diet, reducing refined carbohydrates, and opting for leaner protein.
While physical activity is good for cardiovascular health, reducing risk of disease and enhancing mental well-being, weight loss can only be achieved if we restrict calories in our diet and make more active lifestyle changes. This is especially as sedentary lifestyles become more common with modernisation and working from home becomes a norm for many.
About 10% of bowel cancers can be prevented by reducing the amount of red meat by eating no more than 500 g cooked weight of red meat, and cutting out processed meat from your diet.
Reduced salt intake can also lower the risk of stomach cancer and high blood pressure. This can be done by choosing foods with lower sodium content, preparing food from scratch with spices and herbs for flavouring, and limiting the amount of salted snacks and processed foods.
In summary, being overweight or obese is one of many risk factors for chronic diseases including cancer. The concept of maintaining energy balance through positive diet modifications and increased physical activities can go a long way in reducing risk of disease.
There is no ‘good’ or ‘bad’ food; maintaining overall health involves gaining food knowledge, controlling portion size, as well as making healthier choices in your diet and positive lifestyle changes in the long-term. Big changes start with small steps, but these small steps will take you far on your journey to better health.
|POSTED IN||Cancer Prevention, Nutrition|
|TAGS||cancer diet & nutrition, healthy food & cooking, healthy lifestyle, obesity and cancer, prevent cancer, stomach cancer, weight management|
|PUBLISHED 01 JULY 2022|