5 Things You Must Do To Prevent Cancer!


Your life could have been touched by cancer, be it in the form of a friend, parent, a relative or even a child that has been diagnosed. The diagnosis of cancer could leave us feeling devastated and helpless, good news is that there are certain things that you can do to prevent cancer. Your diet being one of the most important factors within your control.

Eating right can help lower your risk of developing cancer.

If you have been diagnosed, eating well can provide you with positive energy to cope with treatments and improve your quality of life after treatment.

Here are some general guidelines you can follow to prevent cancer or reduce the cancer risk.

1. Maintain a healthy weight

prevent cancer

Having excess body weight puts you at a higher risk of cancers of the breast, stomach, colorectal, kidney, liver, prostate and endometrium. Although how weight exactly affects cancer risk remains unclear, being overweight or obese is often related to cancer-related deaths. So you should always strive and aim for a healthy weight with normal body mass index (BMI) of 18.5 to 22.9kg/m2.

2. Aim for 5 + 5 everyday

prevent cancer

Since young, we were told by our parents that eating fruits and vegetables are good for our health. As we grow older, we now know that eating them in sufficient amount consistently can help to reduce our risk of getting cancers. Fill half your plate with fruits and vegetables. Do aim for 5 servings of fruits and vegetables of 5 different colours (green, orange, red, purple and white) everyday if possible!

3. Limit calorie-dense, nutrient deficient foods

prevent cancer

Foods loaded with added sugar and solid fats provide a lot of calories with very minimal nutrients. For instance, sugar-sweetened beverages, processed snacks, desserts and deep-fried foods. These foods can cause weight gain unintentionally and leave little room for more healthful and cancer-preventive foods. Hence, do be conscious in controlling the portion size of these high-calorie foods while you enjoy them.

4. Eat meat in moderation

prevent cancer

Colorectal cancer is the third most common cancer in men and second in women worldwide. Studies have shown accumulated evidence to demonstrate the association between the consumption of red meat (beef, pork, lamb, veal, mutton), especially processed meat and colorectal cancer risk. Hence, enjoy this protein in moderation and opt for a variety of lean white meat such as chicken or fish. Otherwise, consider eating plant-based protein sources such as beans, legumes and soy more often.

5. Limit alcohol

prevent cancer

All types of alcoholic drinks may increase your risk of certain cancers such as mouth, throat, esophagus, liver, colon, breast and rectum. Though the exact way of how alcohol affects cancer risk is not completely understood, alcohol can act as an irritant to the mouth and throat. It can also damage the liver leading to inflammation and scarring. Hence, limit alcoholic drinks to no more than one drink daily for women and two drinks for men. (One serving of alcohol is 45ml of hard liquor, 150ml of wine or 360ml of beer)

 Should I take supplements?

prevent cancer

Dietary supplements should not replace whole foods. No single food or food component can protect you against cancer by itself. It is the synergy of compounds working together in the overall diet that offers the strongest cancer protection. Unless your body show signs of not getting enough nutrients or you are at risk of other conditions such as osteoporosis (brittle bones), anemia etc, you basically do not need extra supplements to achieve optimal health.

We hope this article gave you a fairly good idea of how you can change your lifestyle and habits and prevent cancer from affecting you.


National Cancer Institute


Academy of Nutrition and Dietetics

American Cancer Society

Ang Hui Inn

by Ang Hui Inn

Clinical Dietitian B.Sc (Hons) Nutrition and Dietetics, IMU Member of Malaysian Dietitians’ Association (MDA) Hui Inn received her credential in nutrition & dietetics from International Medical University (IMU), Kuala Lumpur. She is currently working in a hospital as a clinical dietitian. Her goal as a dietitian is to inspire, motivate and empower others on sustainable living through healthy diet and lifestyle. View all articles by Ang Hui Inn.


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