Bumrungrad Health Briefs #64: Family History and Cancer Risk: What You Need to Know
Family History and Cancer Risk: What You Need to Know
Did you know that your family’s medical history can influence your risk of developing cancer? While most cancers occur randomly, some are linked to inherited gene mutations. Understanding your family history of cancer can help you take proactive steps for early detection and prevention.
Why Does Family History Matter?
Some cancers run in families due to inherited genetic mutations. If a parent, sibling, or grandparent had cancer—especially at a young age—you may have a higher risk.
Common hereditary cancers include:
- Breast and Ovarian Cancer – Linked to BRCA1 and BRCA2 gene mutations, significantly increasing risk.
- Colorectal Cancer – Often associated with Lynch syndrome, which raises colorectal cancer risk.
- Prostate Cancer – A strong family history may indicate the need for early PSA screenings.
- Pancreatic and Other Rare Cancers – Some inherited syndromes predispose families to multiple cancer types.
- A family history of multiple cases of the same or related cancers may suggest a hereditary cancer syndrome, warranting further evaluation.
The Role of Genetic Testing
Genetic testing for cancer can assess inherited risk before symptoms appear. If you have a strong family history, genetic counseling can provide insights into your risk level and preventive steps.
Taking action can include:
- Earlier and more frequent screenings (e.g., mammograms, colonoscopies, PSA tests)
- Lifestyle modifications to reduce risk (e.g., healthy diet, regular exercise, avoiding tobacco)
- Preventive treatments, such as preventive surgery in high-risk cases or medications
Your Next Steps
Start by documenting your family’s medical history and discussing it with a doctor. If necessary, consider at Bumrungrad International Hospital, where specialists can assess and help manage your risk effectively.
FAQs
Q: How do I know if cancer runs in my family?
A: If multiple relatives have had the same or related cancers, particularly at a young age, you may have a higher genetic risk.
Q: Can genetic testing predict cancer?
A: No, but it can identify gene mutations that increase your risk, allowing for proactive prevention.
Your genes aren’t your destiny, but knowing your history can help you take control of your future.
Provided by the at Bumrungrad International Hospital
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