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    Genetics, Nutrigenomics, and Cardiovascular Health: Understanding the Link

    25 February 2025 · Paul Beaver (PhD)

    Genetics, Nutrigenomics, and Cardiovascular Health: Understanding the Link

    Every individual is genetically unique. While we all share the same set of genes, slight variations known as gene variants make us different from one another. These genetic differences influence everything from physical traits, such as height or hair colour, to how our bodies function. By understanding our unique genetic makeup, we can make informed choices to maximise our health and lifestyle potential.

    The Role of Genetics in Cardiovascular Health

    Our inherited genes, known as our genotype, hold the blueprint for our body's potential. This genotype is unchanging and provides the foundation for how well we function. However, it is our environment, nutrition, fitness, and lifestyle choices that shape the expression of these genes, known as our phenotype.

    The heritability of coronary artery disease (CAD) is estimated to be between 40% and 60%. Understanding genetic susceptibility provides critical insights into CAD and cardiovascular disease (CVD) risk stratification, offering opportunities to improve cardiovascular health through targeted interventions.

    Nutrigenomics: The Interaction Between Genes and Nutrition

    Genes do not operate in isolation. Instead, their activity depends on a variety of factors, including the nutrients we consume. Nutrients serve as the building blocks of our genes and regulate their activity. In many ways, our genes act like a dimmer switch, which can be dialled up or down depending on our dietary and lifestyle choices. Nutrigenomics is the scientific study of how diet, exercise, and lifestyle choices interact with our genes. This emerging field explores how these factors influence gene expression and, ultimately, health and performance. In contrast, nutrigenetics examines how inherited genetic variations affect our response to nutrition, exercise, and lifestyle choices.

    Practical Steps for Cardiovascular Health

    Although you cannot change your inherited genes, you can adapt your diet, exercise, and lifestyle choices to work in harmony with your genetic profile. This personalised approach can help mitigate genetic risk factors and optimise your health outcomes. For example:

    • Nutrition: Eating a balanced, nutrient-rich diet tailored to your genetic needs can positively influence gene activity.
    • Exercise: Regular physical activity supports cardiovascular health and reduces the impact of genetic risk factors.
    • Lifestyle Choices: Reducing stress, getting adequate sleep, and maintaining a healthy weight contribute to better heart health.

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    CardiAction: Supporting Personalised Health Choices

    CardiAction empowers individuals to understand and address their cardiovascular health through innovative screening tools and health programs. By integrating insights from genetics and nutrigenomics, CardiAction supports evidence-based, personalised approaches to reducing CVD risk.

    Take control of your cardiovascular health today by scheduling a screening with CardiAction. Learn how your genetic profile and lifestyle choices can work together to improve your heart health and overall wellbeing.

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