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The Voice of People With Breast Cancer


Living with Metastatic Breast Cancer

Practical Issues

Healthy Eating

If you have been diagnosed with metastatic breast cancer, good nutrition can be important to your well-being. Eating a healthy diet may help you stay strong and manage side effects after surgery or while receiving chemotherapy or targeted therapy. A healthy diet full of nutrients may strengthen your immune system, boost your energy or help you maintain your body weight.

But treatment can also affect your eating habits. You do not know how your body will react to treatment and every person is different. Sometimes, women are able to maintain a fairly regular appetite but it is common for chemotherapy or targeted therapy to affect the way you eat. Certain foods might be hard to eat while at other times you may have trouble eating anything at all. Chemotherapy can reduce your appetite or it can make you feel sick to your stomach. It can also cause mouth sores, constipation or diarrhea and some foods may not taste like they used to. For some, however, chemotherapy and accompanying medicines can increase your appetite and make you gain weight.  Whether you are having difficulties eating during treatment or want to maintain a healthy diet, it is important to speak with your healthcare team or a registered dietician experienced with nutrition and cancer.

A balanced, nutrient rich diet and exercise may help you achieve better overall health. Before you make any changes to your diet, speak to your doctor or a registered dietician.

The Canadian Cancer Society has a database that can be used to find local support services in your area. You can access it below:



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