Parents or siblings with cancer
Overview
Family history of cancer refers to having parents, siblings, or other close blood relatives who have been diagnosed with cancer. This genetic predisposition can increase an individual's risk of developing certain types of cancer due to inherited genetic mutations or shared environmental factors.
Common Causes
Having family members with cancer can increase your risk due to shared genetic factors that may be passed down through generations. Some families carry inherited gene mutations that make them more susceptible to developing certain types of cancer. Additionally, family members often share similar environmental exposures and lifestyle habits, such as diet, smoking, or living in the same geographic area, which can also influence cancer risk.
Severity Levels
Mild: One or two distant relatives had common cancers later in life with no clear pattern of early onset or rare cancer types.
Moderate: Multiple family members across generations have had cancer, or close relatives developed cancer at younger ages, suggesting a possible hereditary component that warrants genetic counseling.
Severe: Strong family history with multiple close relatives having the same or related cancers, early-onset cancers, or rare cancer syndromes indicating likely inherited genetic mutations requiring immediate genetic evaluation and enhanced screening protocols.
Medical Attention
Contact your healthcare provider if you have multiple family members diagnosed with cancer, especially if they were diagnosed at a young age or with rare cancers. Schedule a consultation if you're unsure about your family's cancer history or want to discuss genetic counseling and screening options. Seek medical advice promptly if you're experiencing any unusual symptoms and have a strong family history of cancer, as early detection can significantly improve treatment outcomes.
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