Last Updated:June 09, 2025, 15:32 IST
Breast cancer isn’t just about genetics — everyday lifestyle choices play a powerful role in prevention.
About 70% of women diagnosed with breast cancer do not have a family member who had it
When most people hear the words “breast cancer,” the first thing that comes to mind is genetics. And while family history does play a part, it’s not the whole story. In reality, medical professionals say there is no known cause in most cases. In fact, about 70% of women diagnosed with breast cancer do not have a family member who had it. Which is to say — lifestyle factors count much more than we like to think.
Dr. Mansi Chowhan, Senior Breast Cancer Specialist, shares all you need to know:
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It’s Not Just in the Genes
Dr. Mansi Chowhan, Breast Oncoplastic Surgeon at Fortis Hospital, Manesar, says, “Just about 5–10% of breast cancers are strongly hereditary. The others are related to a combination of environment, hormones, and lifestyle. That is empowering for us; it gives us control over our risk through the choices we make every day.”
So, Which Habits Should We Be Paying Attention To?
Weight and Physical Activity
Obesity, particularly after menopause, elevates estrogen levels in the body — which can fuel some kinds of breast cancer. You can reduce this risk significantly through regular exercise: just 30 minutes a day, five days a week. Walking, biking, or even light yoga all count.
Alcohol Consumption
Any amount of alcohol can increase the risk of breast cancer. A single drink a day may raise the risk by about 7–10%, studies suggest. The more you drink, the higher the probability — so moderation matters.
Smoking
Smoking is associated not only with lung and throat cancers, but also with higher rates of breast cancer, especially among premenopausal women. It disrupts hormonal regulation and weakens the immune system. Quitting smoking is one of the most impactful lifestyle changes you can make to lower your overall cancer risk.
Hormonal Factors and Late Pregnancies
Extended use of hormone replacement therapy (HRT) or having your first child after age 30 may also slightly increase the risk. While not always avoidable, understanding these factors can help you and your doctor decide on the right screening timeline.
Poor Sleep and Stress
Chronic sleep deprivation disrupts hormonal balance. While stress alone may not directly cause breast cancer, it interferes with your body’s ability to manage inflammation and immune responses — both key elements in cancer development.
Processed Foods and Diet
While red meat, high-fat diets, and processed foods may not directly cause breast cancer, they do contribute to obesity and inflammation. On the other hand, a diet rich in fiber, fresh vegetables, fruits, and lean proteins supports hormonal balance and boosts immunity.
Neglecting Regular Screenings
Checkups are crucial — even when you feel fine. Mammograms, starting at age 40 (or earlier for those at higher risk), can detect cancer early when it is most treatable.
What You Can Do Today
Get moving: Incorporate physical activity into your daily routine.
Smarten up about eating: Swap sugary snacks for fruits and whole grains.
Moderate alcohol: Cut back on wine or spirits in favor of healthier alternatives.
Get adequate sleep: Aim for at least 7 hours of uninterrupted sleep each night.
Stay aware: Know your body. Report any unusual lumps or nipple discharge to your doctor.
Breast cancer prevention is not as elusive as we may think. It’s not just about genes or destiny, it’s about the choices we make every day. You can take charge of your health simply by becoming more aware and making small, intentional changes.
“Understanding is the first step,” says Dr. Mansi. “You don’t need to wait for a red flag. Even small changes today can protect you tomorrow.”
Because the road to prevention isn’t always paved in a lab — it often begins at home, with your habits, your plate, and your priorities.
About the Author
Swati Chaturvedi
Swati Chaturvedi, a seasoned media and journalism aficionado with over 10 years of expertise, is not just a storyteller; she’s a weaver of wit and wisdom in the digital landscape. As a key figure in News18 Engl…Read More
Swati Chaturvedi, a seasoned media and journalism aficionado with over 10 years of expertise, is not just a storyteller; she’s a weaver of wit and wisdom in the digital landscape. As a key figure in News18 Engl…
Read More
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