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Breast Cancer: Lifestyle Strategies for Prevention and Survival

Breast cancer is the second leading cause of cancer deaths among women in the United States. At the current rate, 1 in 8 women will be diagnosed in her lifetime. Although the development of breast cancer is quite a complex process that’s closely linked to genetic factors, evidence has long suggested that when coupled with regular screening examinations, healthy lifestyle choices can still greatly influence breast cancer occurrence and survival from the disease.

What We Know About Breast Cancer

Studies show that a healthy lifestyle including regular physical activity and sensible nutrition can reduce the risk of breast cancer by 30-40 percent. Refraining from smoking and cutting down on alcohol consumption can also lower risk. Unfortunately, since there are several factors linked to an increased risk of breast cancer that are not necessarily under your control (genetics, family history, age, and race) adopting a healthy lifestyle doesn’t guarantee that you won’t develop the disease.

In fact, some of the healthiest women will still develop breast cancer in their lifetime.

Nonetheless, physical activity and adequate nutrition still play crucial roles in breast cancer survival. For instance, it’s been shown that survivors who consume at least 5 daily servings of vegetables and fruit, and perform at least 30 minutes of moderate to vigorous physical activity 6 days a week have a higher 10-year survival rate than those who don’t adhere to such lifestyle practices. Remarkably, adhering to these practices may also reduce the likelihood of breast cancer-related death by 50 percent.

Physical Activity Considerations

Physical activity promotes hormonal balance. Imbalances in hormone levels can impact the development of breast cancer, specifically the female sex hormone estrogen. Estrogen circulates in high quantities within a woman’s body between puberty and menopause. The hormone itself promotes cellular growth in the breasts so any factor that increases estrogen exposure may increase the risk of breast cancer. Many types of exercise have been shown to beneficially impact blood estrogen levels.

Exercises proven to be beneficial overall include: 1) cardiovascular (cardio) exercise, 2) resistance (weight) training, and 3) mind-body exercise. Let’s briefly talk about each of them.

Cardiovascular Exercise

Controlling your weight with regular cardio exercise is a sure way to reduce your risk of breast cancer and even improve your chance of survival if you’ve already been diagnosed. Obese women tend to have the highest levels of estrogen because fat cells themselves produce it. This is one of the primary reasons why being overweight is so closely linked to increased breast cancer risk.

When it comes to cardio, a daily minimum of 30-45 minutes of moderate-to-vigorous exercises like power walking, jogging, bicycling, swimming, and aerobic dance is sufficient enough for reducing your risk while 45-60 minutes on most days of the week will help keep your body weight under control.

The intensity at which you perform cardio should always exceed the normal demands you place on your body, as more vigorous exercise (walking at 4 miles per hour, jogging at 5 miles per hour, bicycling more than 10 miles per hour, and swimming laps) can result in the greatest reductions in blood estrogen levels.

Related Article: Target Heart Rate: Are You Working Out Hard Enough?

Resistance Training

When it comes to improving breast cancer survival and reducing risk, resistance training is a perfect complement to cardio exercise. This type of training is really the only method of preserving muscle and muscle is known to promote healthy estrogen metabolism and hormonal balance in general. Due to its effects on muscle, resistance training also elevates the metabolic rate (the rate at which your body burns calories).

The more muscle you have, the higher your metabolic rate, which makes it that much easier to control your body weight.

A simple resistance training program involving light-to-moderate loads and a high number of repetitions (12-20 plus) with relatively short rest periods (30-60 seconds) can substantially reduce body fat while also improving muscle endurance and strength. But, higher intensities of training are associated with the greatest improvements in estrogen metabolism, which puts the odds that much more in your favor.

Related Article: 8 Reasons Why Women Should Weight Train

Mind-Body Exercise

Excessive stress promotes poor health and disease in general. In stressful situations, your body responds by releasing a hormone called cortisol. Long-term exposure to cortisol can have devastating consequences, as elevated cortisol levels promote unhealthy increases in blood sugar levels, blood pressure, and body weight. If you’ve been diagnosed with breast cancer, you’re probably more susceptible to stress.

Related Article: Stress: A Culprit Behind Weight Gain, Belly Fat, and Chronic Disease

As such, you may find mind-body exercises like yoga or Pilates to be extremely beneficial. In addition to stress relief, implementing such exercise can also lead to improvements in your balance, posture, and core stability.

Nutritional Considerations

In addition to regular exercise training, an adequate intake of fresh vegetables and fruit is crucial for reducing breast cancer risk and improving survival from the disease. So, it’s important to make an all out effort to consume a minimum of 5 daily servings of vegetables and fruit. Such foods are exceptionally rich in cancer-fighting micronutrients (vitamins, minerals, and antioxidants) that promote estrogen balance and overall good health.

Related Article: Micronutrients: The Nutritional Building Blocks for Good Health

For maximum protection, more is definitely better (9-10 daily servings), especially when it comes to eating vegetables.

You should also consume at least 3 servings of fiber-rich whole grains (whole oats, oatmeal, and brown rice) along with sizable portions of healthy fat and high-quality protein. Some good sources of fat and protein include nuts, seeds, avocado, olive oil, and oily fish like tuna, salmon, and trout. Collectively, the nutrients contained in these foods is known to support healthy estrogen metabolism.

Related Article: A Simple Guide to Eating Sensibly

The Net-Net

At the end of the day, there’s no guarantee that the healthy lifestyle practices I’ve described will prevent the likelihood of your developing breast cancer or having a recurrence. However, such behaviors certainly put the odds in your favor, even if you’re at increased risk due to a family history or other factors. Such lifestyle practices will also reduce your risk of developing countless other chronic diseases including heart disease, type 2 diabetes, and high blood pressure.

This is priceless!

Learn More About Prevention

The American Cancer Society recommends yearly clinical breast exams and mammograms starting at age 40 and continuing for as long as a woman is in good health. In addition, women with a family history, a genetic tendency, or certain other factors should be screened with MRI in addition to mammograms.

Women in their 20s and 30s should have a clinical breast exam every three years. In addition, if you are over the age of 20, you should perform regular breast self-exams to become familiar with your breasts and report any changes to your health care provider.

Learn how to achieve and maintain good health with sensible eating and physical activity. Pick up a copy of Leaving Your Fat Behind.

Disclaimer: The information provided is for educational and informational purposes only and is not intended to diagnose, treat, cure or prevent any disease. Any reader who is concerned about his or her health should contact a physician for advice.

Before starting an exercise training program you should first make sure that exercise is safe for you.  If you are under the age of 55 years and generally in good health, it is probably safe for you to exercise.  However, if you are over 55 years of age and/or have any health problems, be sure to consult with your physician before starting an exercise training program.

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