Breast Cancer Awareness: Facts and Prevention on World Cancer Day 2026

Every minute, four women are diagnosed with breast cancer somewhere in the world — and one woman dies from it. On World Cancer Day 2026, held under the theme “United by Unique,” communities across more than 100 countries are pausing to remember a truth that numbers alone can never capture: behind every statistic is a real person, a real family, and a real story.

February 4 carries a weight that transcends the calendar. Since its founding in Paris in the year 2000, World Cancer Day has grown into one of the most recognized global health observances. In 2026, the day marks its 26th year — and this year, the conversation feels more urgent than ever.

Breast cancer remains the most commonly diagnosed cancer among women worldwide. It claimed an estimated 670,000 lives globally in 2022 alone, according to the World Health Organization. A landmark study published in Nature Medicine in February 2025 warns that by 2050, the world could see 3.2 million new breast cancer cases and 1.1 million related deaths per year if current trends continue. That is an increase of 38% in cases and 68% in deaths compared to 2022.

These are not just statistics. They are mothers, daughters, sisters, friends, and colleagues. They are men, too — because breast cancer does not discriminate by gender, even though roughly 99% of cases occur in women.

This guide is for anyone who wants to understand breast cancer better. Whether you are looking for the latest global data, trying to learn how to lower your personal risk, or hoping to support someone going through treatment, this article pulls together the most current evidence and expert recommendations available in 2026.

What Is World Cancer Day 2026 and Why Does It Matter This Year?

World Cancer Day falls on February 4 every year. It is led by the Union for International Cancer Control (UICC), a Geneva-based organization that brings together cancer societies, health ministries, research institutions, and patient groups from around the globe.

The 2025–2027 campaign theme — “United by Unique” — represents a deliberate shift in how the global cancer community talks about the disease. Rather than focusing only on biology and treatment, this campaign puts people at the center of care. It asks a pointed question: What does it take to deliver cancer care that genuinely meets people’s needs?

In its first year (2025), the campaign raised awareness about the importance of people-centered care. Now, in 2026, UICC has shifted the emphasis toward real-world experiences. The stories of patients, caregivers, and survivors are taking center stage. A creative project called “12 People. 12 Cameras. 12 Months.” — supported by Fujifilm — documents the everyday realities of people affected by cancer. It captures the emotional and social aspects of care that clinical settings often overlook.

Last year’s World Cancer Day saw over 900 events in more than 107 countries, generated over 530,000 social media posts, and attracted roughly 30,000 press mentions across 162 countries. The Upside Down Challenge — in which people post photos or videos of themselves upside down to symbolize how cancer disrupts lives — has become a signature visual of the campaign.

For breast cancer specifically, World Cancer Day is a critical moment. Breast cancer is the most common cancer among women in 157 out of 185 countries. It remains the leading cause of cancer death among women globally. Yet awareness remains uneven. In many parts of the world, stigma, fear, and misinformation still prevent women from seeking screening or treatment until it is too late.

Breast Cancer Global Statistics in 2026: How Many People Are Affected?

Understanding the scale of breast cancer helps us understand why prevention matters. Here are the most important numbers for 2026, drawn from the world’s leading cancer research organizations.

Global Burden

United States Estimates (2026)

The gap between localized and distant survival rates — 99% versus 30% — tells a story all by itself. Early detection saves lives. When breast cancer is found before it spreads, nearly every patient survives at least five years. When it is found late, that number drops dramatically.

Understanding Breast Cancer Types, Stages, and How the Disease Develops

Breast cancer is not a single disease. It is a group of diseases, each with different characteristics, behaviors, and treatment responses.

How Breast Cancer Starts

Breast cancer begins when cells in the breast grow out of control. These abnormal cells usually form a tumor. If left untreated, the tumor can invade nearby tissue and eventually spread to other parts of the body through the blood and lymphatic systems. This spreading is called metastasis.

Most breast cancers start in one of two places:

• The milk ducts — thin tubes that carry milk from the lobules to the nipple. Cancers that begin here are called ductal carcinomas, and they account for the majority of breast cancer cases.
• The milk-producing lobules — small glands that produce breast milk. Cancers that begin here are called lobular carcinomas.

Common Types of Breast Cancer

Breast Cancer Stages Explained

Staging helps doctors understand how far the cancer has spread.

• Stage 0 — Non-invasive. Cancer cells are present but contained (e.g., DCIS).
• Stage I — The tumor is small (up to 2 cm) and cancer has not spread to the lymph nodes, or only tiny amounts are found in sentinel lymph nodes.
• Stage II — The tumor is between 2 and 5 cm and/or cancer has spread to a few nearby lymph nodes.
• Stage III — Cancer has spread more extensively to lymph nodes or nearby tissues but has not reached distant organs. Sometimes called locally advanced.
• Stage IV — Also known as metastatic breast cancer. Cancer has spread to distant organs such as the lungs, liver, bones, or brain.

The key takeaway: the earlier the stage at diagnosis, the better the outcome. This is why screening and awareness are so critical.

Breast Cancer Risk Factors You Need to Know About in 2026

Not every person who develops breast cancer has obvious risk factors. In fact, according to the WHO, roughly half of all breast cancers occur in women with no specific risk factors other than their sex and their age.

Still, understanding risk factors helps people make informed choices about screening, lifestyle, and medical care. Risk factors fall into two broad categories: those you cannot change and those you can.

Non-Modifiable Risk Factors (Things You Cannot Change)

Being female. Women are about 100 times more likely to develop breast cancer than men, according to the National Cancer Institute.

Getting older. Most breast cancers are diagnosed in women over 50. The median age at death from breast cancer in the United States is 70, according to NCI data.

Family history. Having a first-degree relative (mother, sister, or daughter) diagnosed with breast cancer roughly doubles a woman’s risk. Having two first-degree relatives raises it by about fivefold, according to the NCI.

Inherited gene mutations. Between 5% and 10% of breast cancers are hereditary. Mutations in the BRCA1 and BRCA2 genes are the most well-known. Women with a harmful BRCA mutation face a lifetime breast cancer risk of about 60%, compared to the average 13% risk for U.S. women, according to AACR data. Other genes linked to higher risk include PALB2, CHEK2, and ATM.

Dense breast tissue. Women with denser breasts have a higher incidence of breast cancer. Dense tissue also makes it harder for mammograms to detect tumors.

Reproductive history. Starting menstruation before age 12, reaching menopause after age 55, having a first pregnancy after age 30, or never giving birth can all modestly increase risk due to longer lifetime exposure to estrogen.

Previous radiation exposure. Women who received radiation therapy to the chest before age 30 (for example, for Hodgkin’s lymphoma) have a higher risk of developing breast cancer later.

Modifiable Risk Factors (Things You Can Change)

This is where prevention begins. Research suggests that roughly one-third of breast cancer cases are linked to factors that women can change, according to a widely cited analysis in Cancer Epidemiology, Biomarkers & Prevention.

Alcohol consumption. Even moderate drinking raises breast cancer risk. A recent study found that the number of breast cancer cases linked to alcohol use in the U.S. rose from 6.6 to 8.1 per 100,000 between 2008 and 2019, according to data in Cancer Epidemiology, Biomarkers & Prevention.

Being overweight or obese after menopause. After menopause, fat tissue becomes the body’s primary source of estrogen. More fat tissue means more estrogen, which can fuel the growth of hormone-receptor-positive breast cancers.

Physical inactivity. A sedentary lifestyle is consistently linked to higher breast cancer risk. The CDC identifies lack of physical activity as a clear risk factor.

Hormone replacement therapy (HRT). Combined estrogen-and-progesterone HRT taken during menopause for more than five years raises breast cancer risk, according to the CDC.

Smoking. Though the breast cancer link is less well known than the lung cancer connection, research suggests that smoking — especially long-term, heavy smoking — may increase the risk.

How to Reduce Your Risk of Breast Cancer Through Lifestyle Changes

The good news is that meaningful risk reduction does not require extreme measures. Small, steady changes to daily habits can add up to real protection over a lifetime.

1. Stay Physically Active Every Week

Regular exercise is one of the most consistently supported protective factors. The National Cancer Institute notes that women who engage in regular physical activity have lower breast cancer risk.

Aim for at least 150 minutes of moderate activity per week — that is about 30 minutes a day, five days a week. Walking, cycling, swimming, dancing, or gardening all count. Even 20 minutes of daily movement makes a difference.

2. Maintain a Healthy Weight Throughout Life

Weight management matters at every stage of life, but it becomes especially important after menopause. Excess body fat raises estrogen levels, and estrogen drives many breast cancers. The WHO lists obesity as one of the key modifiable cancer risk factors globally.

3. Limit or Avoid Alcohol

There is no “safe” level of alcohol when it comes to breast cancer risk. Even one drink a day can slightly raise risk. The American Institute for Cancer Research (AICR) recommends avoiding alcohol entirely for cancer prevention. If you do drink, limit yourself to no more than one standard drink per day.

4. Eat a Nutrient-Rich Diet

A diet centered on whole grains, vegetables, fruits, and beans supports overall health and may lower cancer risk. The AICR emphasizes that a cancer-protective diet does not require expensive specialty foods. Simple choices — more vegetables, less processed meat, fewer sugary drinks — go a long way.

5. Breastfeed If You Can

Breastfeeding lowers breast cancer risk. During breastfeeding, the body sheds breast cells — including cells that may carry DNA damage. Hormone levels also shift in ways that reduce cancer-promoting exposure. The AICR lists breastfeeding as a confirmed protective factor.

6. Be Cautious with Hormone Therapy

If you are considering hormone replacement therapy for menopause symptoms, talk with your doctor about the risks and benefits. Short-term use at the lowest effective dose is generally considered safer than long-term use. The CDC recommends that women understand the breast cancer implications before starting combined HRT.

7. Avoid Smoking

While the link between smoking and breast cancer is still being studied, there is enough evidence to add it to the list of good reasons to quit. Smoking is linked to at least 13 types of cancer, and reducing exposure to tobacco smoke benefits nearly every organ in the body.

Prevention Summary Table

Breast Cancer Screening Guidelines and Early Detection Methods for 2026

Early detection remains the single most powerful tool for improving breast cancer survival. When caught at the localized stage, the five-year survival rate in the United States is 99%. But too many women around the world are diagnosed too late — especially in lower-income countries, where access to screening is limited.

Current Screening Recommendations

Screening guidelines vary somewhat by organization, but the general direction in 2026 is toward earlier and more personalized screening.

Mammography remains the gold standard for breast cancer screening. It uses low-dose X-rays to detect tumors before they can be felt. Several major organizations now recommend that average-risk women begin regular mammograms at age 40, rather than waiting until 50.

For women at higher risk — due to BRCA mutations, strong family history, or previous chest radiation — guidelines recommend starting screening earlier, often at age 25–30, and may include MRI in addition to mammography.

The 2025 updated guidelines reflect a shift toward a more personalized, risk-based approach. Instead of a one-size-fits-all schedule, clinicians now assess individual risk factors to decide when screening should begin and how often it should happen.

Screening Methods Available

The Dense Breast Tissue Issue

Dense breast tissue contains more glandular and connective tissue relative to fatty tissue. It is completely normal — roughly half of women in their 40s have dense breasts. But density matters for two reasons:

1. Dense tissue raises breast cancer risk on its own.
2. Dense tissue appears white on mammograms — and so do tumors. This makes tumors harder to spot.

This is why supplemental screening with ultrasound or MRI is now recommended for women with dense breasts in many guidelines. Several U.S. states have passed laws requiring doctors to notify women when mammograms show dense breast tissue.

Why Screening Matters Globally

The survival gap between wealthy and poor nations is staggering. In high-income countries, about 83% of women diagnosed with breast cancer survive. In low-income countries, more than half of diagnosed women die from the disease, according to a 2025 UN report.

This gap is not because breast cancer is inherently more deadly in some places. It is because women in lower-resource settings are often diagnosed at later stages, when treatment options are fewer and outcomes are worse.

Warning Signs and Symptoms of Breast Cancer Every Woman Should Recognize

Not all breast cancers cause symptoms in their early stages. That is why screening is so important. But being aware of changes in your body can help you catch problems early.

Common Warning Signs

• A new lump or mass in the breast or underarm. This is the most common sign. Not all lumps are cancer, but all lumps should be checked.
• Swelling of part or all of the breast. Even without a distinct lump, swelling can signal a problem.
• Skin changes. Dimpling, puckering, redness, flaking, or thickening of the breast skin or nipple.
• Nipple changes. Inversion (turning inward), pain, or discharge — especially bloody discharge.
• Changes in breast shape or size. Any unexplained change deserves medical attention.
• Pain in any area of the breast. While breast pain is usually not caused by cancer, persistent or unusual pain should be evaluated.

When to See a Doctor

Do not wait. If you notice any of these changes, schedule an appointment with a healthcare provider as soon as possible. Most breast changes turn out to be benign. But the only way to know for sure is through proper medical evaluation, which may include imaging and biopsy.

Many women delay seeking care because of fear, stigma, or the assumption that cancer always presents as a lump. Inflammatory breast cancer, for example, often causes redness and swelling rather than a lump. Being informed helps you act quickly.

Racial and Economic Disparities in Breast Cancer Outcomes Worldwide

One of the most troubling aspects of breast cancer is how unevenly its burden falls.

The Global Divide

The 2025 IARC analysis paints a clear picture of inequality:

• In countries with very high Human Development Index (HDI), for every 100 women diagnosed with breast cancer, 17 die from it.
• In countries with low HDI, for every 100 women diagnosed, 56 die from it.

The lifetime risk of being diagnosed with breast cancer is highest in France (1 in 9) and North America (1 in 10). But the lifetime risk of dying from breast cancer is highest in Fiji (1 in 24) and Africa (1 in 47).

This disparity reflects deep inequities in access to screening, timely diagnosis, and quality treatment.

In Africa, Half of Breast Cancer Patients Are Under 50

Globally, most breast cancer cases and deaths occur in people aged 50 and older — they account for 71% of new cases and 79% of deaths. But in Africa, the picture is very different. Nearly 47% of breast cancer cases on the continent are diagnosed in women younger than 50, according to the IARC.

Data from the African Breast Cancer–Disparities in Outcomes (ABC-DO) study, which tracked women across five sub-Saharan African countries over seven years, found that only 1 in 3 women survived for seven years after diagnosis. Survival rates were especially low for women diagnosed before age 40.

Racial Disparities in the United States

In the U.S., Black women and white women are diagnosed with breast cancer at roughly similar rates. However, the mortality rate among Black women is 41% higher than among white women, according to data compiled by the National Breast Cancer Coalition.

Multiple factors contribute to this gap, including differences in tumor biology (Black women are more likely to develop aggressive triple-negative breast cancer), unequal access to quality care, delays in diagnosis, and systemic socioeconomic barriers.

The five-year relative survival rate in recent periods was 83% for Black women compared to 92% for white women, according to the Breast Cancer Research Foundation.

The WHO Global Breast Cancer Initiative: A Roadmap to Save 2.5 Million Lives

In 2021, the World Health Organization launched the Global Breast Cancer Initiative (GBCI) with a bold target: reduce global breast cancer mortality by 2.5% per year. If achieved over 20 years, this would save an estimated 2.5 million lives by 2040.

Three Pillars of the GBCI

The initiative rests on three core strategies:

1. Health promotion and early detection. Encouraging breast awareness and expanding access to screening programs, especially in low- and middle-income countries.
2. Timely diagnosis. Ensuring that women who notice symptoms or receive abnormal screening results can access diagnostic evaluation within weeks, not months.
3. Comprehensive breast cancer management. Providing access to surgery, radiation, chemotherapy, targeted therapy, and supportive care based on the best available evidence.

Progress So Far

As of 2025, only 7 out of 46 countries with very high HDI are meeting the GBCI’s target of at least a 2.5% annual reduction in breast cancer mortality, according to the IARC study. Belgium and Denmark are among the countries on track. Meanwhile, breast cancer mortality rates are still increasing in seven countries, four of which have some of the lowest HDI globally.

WHO is currently supporting more than 70 countries — particularly low- and middle-income nations — in building capacity for earlier detection, faster diagnosis, and better treatment.

Breast Cancer Awareness in Men: Why Male Breast Cancer Often Gets Overlooked

Breast cancer in men is rare, but it is real. In the United States, an estimated 2,670 men will be diagnosed with breast cancer in 2026, and about 530 will die from the disease.

Male breast cancer accounts for roughly 0.5–1% of all breast cancer cases. Because it is uncommon, men are often unaware that they can develop the disease. This lack of awareness leads to later-stage diagnoses and worse outcomes.

Risk factors for male breast cancer include aging, family history of breast cancer, inherited BRCA2 mutations, obesity, liver disease, and conditions that raise estrogen levels (such as Klinefelter syndrome).

Symptoms in men are similar to those in women: a lump near the nipple, changes in the skin over the breast, nipple discharge, or nipple retraction. Because men have much less breast tissue, tumors are often easier to feel — but they are also closer to the skin surface and can spread more quickly.

If you are a man with a family history of breast cancer or known BRCA mutations, talk with your doctor about appropriate monitoring.

How World Cancer Day Events and Cultural Traditions Raise Breast Cancer Awareness

World Cancer Day is not just an institutional observance. It is a truly global moment that unfolds differently in every community.

Hospital Open Days and Free Screenings

In many countries, hospitals and clinics offer free or subsidized mammograms around February 4. In India, Pakistan, and parts of Southeast Asia, mobile screening units travel to rural villages where women might otherwise never see a mammography machine.

Pink Illuminations and Landmark Lightings

Cities around the world mark the occasion by lighting up famous landmarks in orange and blue — the official World Cancer Day colors. In 2024, nearly 140 landmarks in 80 countries participated. From the Eiffel Tower in Paris to the Sydney Opera House in Australia, the message is visual and unmistakable.

Community Walks and Runs

From the streets of Lagos to the parks of Buenos Aires, charity walks and 5K runs bring communities together physically. These events serve a dual purpose: they raise money for cancer organizations and they break through stigma by making breast cancer a topic of open, public conversation.

Storytelling and Art Projects

The 2025–2027 “United by Unique” campaign has made storytelling central. In 2025, over 600 personal stories were shared in text, video, and art form on the World Cancer Day website. In 2026, the collection continues, now with added questions that explore how culture and economic background influence the cancer experience.

Cultural Sensitivity in Breast Health Outreach

Breast cancer awareness cannot be a one-size-fits-all message. In conservative communities across the Middle East, South Asia, and parts of Africa, discussing breast health openly can conflict with deep-seated cultural norms around modesty and privacy. Effective campaigns in these regions have learned to work with cultural leaders — including women’s groups, religious leaders, and traditional healers — rather than against them.

In many African communities, peer-to-peer outreach has proven more effective than top-down public health messaging. Women who have survived breast cancer share their stories with neighbors and family members, normalizing the conversation and encouraging others to seek screening.

Emerging Breast Cancer Research and Treatment Advances in 2025–2026

Medical science continues to push the boundaries of what is possible in breast cancer treatment. While a full cure for all breast cancers remains elusive, the trajectory of progress is unmistakable.

Targeted Therapies and Immunotherapy

Drugs that target specific molecular features of cancer cells — like HER2-targeted therapies — have transformed outcomes for certain breast cancer subtypes. Immunotherapy, which trains the body’s own immune system to recognize and attack cancer cells, is showing particular promise for triple-negative breast cancer, the subtype with historically the fewest treatment options.

Liquid Biopsies

Traditional biopsies require a physical tissue sample. Liquid biopsies — which detect cancer-related DNA fragments circulating in the blood — offer a less invasive way to monitor disease, detect recurrence early, and guide treatment decisions. This technology is maturing rapidly.

Artificial Intelligence in Screening

AI-powered imaging tools are being tested in clinical trials around the world. These tools can analyze mammograms and other scans with a level of precision that, in some studies, matches or exceeds that of experienced radiologists. AI has particular potential in settings where trained radiologists are scarce, such as rural clinics in low-income countries.

Personalized Risk Assessment

Genetic testing and risk prediction models are becoming more refined. Tools that combine genetic data with lifestyle, reproductive history, and imaging results can now generate individualized risk scores. These scores help doctors and patients make more informed decisions about when to start screening, how often to screen, and whether preventive medications or surgeries are appropriate.

Practical Steps to Support Breast Cancer Awareness on World Cancer Day and Beyond

You do not have to be a doctor or a researcher to make a difference. Here are concrete actions anyone can take:

Get screened. If you are 40 or older, talk with your doctor about when to start mammograms. If you have a strong family history or known genetic risk, ask about starting earlier.

Know your body. Pay attention to how your breasts normally look and feel. Report any changes to your doctor promptly.

Talk openly. Whether at home, at work, or on social media, normalize conversations about breast health. Stigma thrives in silence.

Support organizations. Donate to or volunteer with reputable breast cancer organizations such as the Breast Cancer Research Foundation, Susan G. Komen, or the National Breast Cancer Coalition. In lower-income regions, support groups that bring screening and treatment to underserved populations.

Advocate for policy change. Push for policies that expand screening access, reduce the cost of treatment, and fund research. Contact your elected representatives. Support universal health coverage efforts in your country.

Join the World Cancer Day campaign. Share your story on the World Cancer Day website. Post the #UnitedByUnique hashtag. Try the Upside Down Challenge. Every act of participation widens the circle of awareness.

Breast Cancer Prevention Checklist for Women of All Ages

No single action guarantees protection. But layering multiple healthy habits significantly reduces your overall risk.

In Your 20s and 30s

• Begin breast self-awareness — learn what is normal for your body.
• Discuss your family history with your doctor. If you have close relatives with breast or ovarian cancer, ask about genetic counseling.
• Stay active. Build exercise habits now that will last a lifetime.
• Limit alcohol and avoid smoking.

In Your 40s

• Begin regular mammography screening, per your doctor’s recommendation.
• Continue or increase physical activity. Weight management becomes more important as metabolism changes.
• If you have dense breasts, ask about supplemental screening such as ultrasound.

In Your 50s and Beyond

• Continue annual or biennial mammograms.
• Be especially mindful of post-menopausal weight gain.
• If considering hormone replacement therapy, discuss the breast cancer implications with your doctor.
• Stay engaged with routine medical care. Do not skip appointments.

Why Breast Cancer Awareness on World Cancer Day Should Not End on February 4

February 4 is a beginning, not an end. Breast Cancer Awareness Month in October captures global attention each year, and World Cancer Day in February adds another powerful moment. But cancer does not observe a calendar. The work of prevention, screening, treatment, and support happens every day.

The 2025–2027 “United by Unique” campaign reminds us that cancer care is most effective when it treats the whole person — not just the disease. It is most equitable when it reaches every community, regardless of income or geography. And it is most compassionate when it listens to the voices of those who live with cancer every day.

In 2022, breast cancer was the most common cancer in women in 157 out of 185 countries. That means this disease touches virtually every culture, every community, and every family on Earth. The response must be equally universal.

The WHO estimates that between 30% and 50% of all cancer cases are preventable through lifestyle changes, early detection, and vaccination (for cancers linked to infections like HPV and hepatitis B). For breast cancer specifically, researchers have shown that modifiable risk factors account for more than one-third of postmenopausal cases.

That is millions of cases that need not happen.

Final Thoughts: United by Unique, Stronger Together Against Breast Cancer

Dr. Joanne Kim, an IARC scientist and lead author of the landmark 2025 breast cancer study, put it simply: every minute, four women are diagnosed and one woman dies. Those numbers are getting worse, not better, especially in the countries that can least afford it.

But despair is not the message of World Cancer Day 2026. The message is action.

Every mammogram scheduled is an act of prevention. Every conversation about breast health is an act of awareness. Every dollar donated to research is an investment in the future. Every policy change that expands access to care is a step toward justice.

Breast cancer is one of the most studied, most treatable, and most survivable cancers — when it is caught early and when the patient has access to quality care. The gap between what is possible and what is actually happening in much of the world is the great challenge of our time.

On this World Cancer Day, take one step. Get screened. Talk to someone you love. Share what you have learned. Because in the fight against breast cancer, every person’s story matters — and every action counts.

#UnitedByUnique | #WorldCancerDay | February 4, 2026

Disclaimer: This article is for informational and educational purposes only. It does not constitute medical advice. Always consult a qualified healthcare professional for personal medical decisions, including cancer screening and treatment.

References and Further Reading

• World Health Organization. “Breast Cancer Fact Sheet.” Updated August 2025.
• Kim, J. et al. “Global patterns and trends in breast cancer incidence and mortality across 185 countries.” Nature Medicine, 31(4), 2025.
• International Agency for Research on Cancer. “Breast cancer cases and deaths are projected to rise globally.” February 2025.
• Union for International Cancer Control. “World Cancer Day 2026.”
• American Cancer Society. Cancer Facts & Figures 2025.
• Breast Cancer Research Foundation. “Breast Cancer Statistics and Resources.”
• National Breast Cancer Coalition. “Facts & Figures.”
• National Cancer Institute. “Breast Cancer Prevention (PDQ).”
• Centers for Disease Control and Prevention. “Breast Cancer Risk Factors.”
• American Institute for Cancer Research. “Modifiable Lifestyle Factors and Breast Cancer Risk.”
• WHO. “Global Breast Cancer Initiative.”
• UN News. “Breast cancer cases projected to rise by nearly 40% by 2050.” February 2025.