Why should you test you genetics of fitness? For most people, it's to understand how they measure up. For others, it's a medical need to know if they have inherited a potentially life-threatening disease. Genetic testing can help you predict your risk of disease, including certain cancers and heart disease. Technology is getting better by knowing your genetics for fitness. Genetic testing cost vary greatly depending on the type of test and the laboratory that performs the test. Some genetic tests can be cheaper, while others can be more expensive. You can call the helpline number and get the details.