Genetics and Health

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Top Contributors - Lucinda hampton  

Introduction[edit | edit source]

Few diseases result from a change in a single gene or even multiple genes. Rather, most diseases are complex and stem from an interaction between our genes and our environment. Factors in the environment can range from chemicals in air or water pollution, mold, pesticides, diet choices, or grooming products.[1] However family history is often one of the strongest risk factors for common diseases. For example cancer, cardiovascular disease (CVD), atherosclerosis, diabetes, autoimmune disorders, and psychiatric illnesses risk are all stronger in persons with a family history of such illnesses.

  • Family history is a good predictor of an individual’s disease risk as family members most intimately represent the unique genomic and environmental interactions that a person will experience.
  • Inherited genetic variation within families clearly contributes directly and indirectly to the pathogenesis of disease. [2]
  • Examples of features of a family history that may increase risk are eg diseases that occur at an earlier age than expected (10 to 20 years before most people get the disease), disease in more than one close relative.

Know Your Family History[edit | edit source]

To learn about your family history:

  • Ask questions
  • Take the time to talk to family
  • If available, look at death certificates and family medical records.

Collect information about your grandparents, parents, aunts, uncles, nieces, nephews, siblings, and children. Look for type information regarding:

  • Major medical conditions and causes of death
  • Age of disease onset and age at death
  • Ethnic background

Sub Heading 3[edit | edit source]

Resources[edit | edit source]

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References[edit | edit source]

  1. NIH Gene and Environment Interaction Available: https://www.niehs.nih.gov/health/topics/science/gene-env/index.cfm(accessed 1.9.2022)
  2. Hernandez LM, Blazer DG. Genetics and Health. InGenes, Behavior, and the Social Environment: Moving Beyond the Nature/Nurture Debate 2006. National Academies Press (US). Available:https://www.ncbi.nlm.nih.gov/books/NBK19932/ (accessed 1.9.2022)