The benefits and detriments of genetic testing

For a lot of disorders, genetic testing is the only way to make an accurate diagnosis and help avoid additional unnecessary clinical investigations. According to Klitzman J. Benefits of genetic testing What is the definition of genetic testing?

Individuals identified as carrying potentially harmful genetic alterations can receive regular medical check-ups and be eligible for screening to enable early detection of cancer although these options are also available to individuals who have not been tested but who do have a strong family history of cancer ; they may also choose to undergo preventative surgery.

What is the definition of genetic testing?

Test results also can help your doctor with monitoring decisions and treatment recommendations. Such inherited mutations in genes—the DNA instructions you receive from your mother and father— play a role in the development of about 5 to 10 percent of all cancers.

The accuracy of genetic test results is paramount. Adequate pre- and post-test counseling about what a test can and cannot reveal, and what the next steps are should a test turn out positive, are imperative for preventing undue anxiety. Also, you may have a gene that is not yet linked with cancer risk or one that is not detectable with available tests.

Genetic testing can relieve anxiety and help you make informed medical decisions, such as lowering your risk through surgery, medication, or lifestyle changes. False Security People who do not receive adequate information or counseling about the limitations of genetic testing may falsely assume that a negative test result eliminates their risk for developing a disease.

Find out if you have genes linked with increased cancer risk that can be passed on to your children. Genetic testing can guide the clinician in choosing the most suitable therapy and support for the patient. Benefits of Genetic Testing If you, like Angelina Jolie, have a family history of cancer, then genetic tests can help you: This can potentially lead to a reduction in cancer incidence and mortality.

Her choice to go forward with a double mastectomy after genetic testing revealed that she had an 87 percent risk of breast cancer due to the hereditary BRCA1 gene, which also figures in prostrate, pancreatic, and male breast cancer.

For example, all states perform newborn screening for various genetic conditions, the purpose being to detect those conditions that would benefit from swift treatment. Below we have provided a few links to UK-based websites which can provide further information on the issues discussed in the Genetics and Cancer and Genetic Testing sections: A positive genetic test can also lead to an increased level of anxiety and individuals may feel guilty for having potentially passed a gene alteration on to their children.

You can feel angry, anxious, or depressed when you receive results that indicate an elevated risk of cancer. Testing for them can provide you with the benefits of knowledge for yourself and other family members, but test results also come with drawbacks. Genetic testing is a type of medical test that identifies changes in genes, inherited from our parents, which we then typically pass on to our children.

Individuals who are found not to carry a harmful gene alteration which is known to run in their family may feel that they are less anxious and have a better quality of life; they may also benefit from the knowledge that they have not passed a gene alteration on to their children.

A positive test result does not always mean you will get the disease, and a negative result does not mean you have no risk of getting the disease. Genetic Testing for Hereditary Cancer Syndromes.

Cost can be another big concern.

Disadvantages of Genetic Testing

Even women who test negative for these hereditary forms of cancer need screening for cancer at the same level of screening recommended for the average woman. Christina Applegate Opens Up About Having Her Ovaries and Fallopian Tubes Removed Due to recent discoveries of new genes and the development of new testing methodologies, the availability of genetic testing has increased dramatically.

The results of genetic testing may be useful for future family planning. In most cases, however, mothers are not asked to provide consent for these tests and are not informed of what will happen if a test should return positive.

This ban is due to be reviewed in Frequently Asked Questions about Genetic Testing. A screening test, such as the Expanded AFP blood test that many women undergo during pregnancy, indicates the chance that the baby will have certain conditions, but does not say for sure whether the baby is affected.

Also, because such individuals do not require the same regular checkups as do people who carry the generesources can be targeted to benefit those people who do have a higher risk of developing cancer.Potential Benefits.

There are many potential benefits which can arise as a result of genetic testing.

Individuals identified as carrying potentially harmful genetic alterations can receive regular medical check-ups and be eligible for. Benefits of Genetic Testing If you, like Angelina Jolie, have a family history of cancer, then genetic tests can help you: Predict your risk of a particular cancer.

Laboratory equipment performs genetic testing.

Positive and Negative Aspects of Genetic Testing

Photo Credit: maxuser/iStock/Getty Images Due to recent discoveries of new genes and the development of new testing methodologies, the availability of genetic testing has increased killarney10mile.comd: Jun 17, Sep 04,  · Genetic testing can provide only limited information about an inherited condition.

The test often can't determine if a person will show symptoms of a disorder, how severe the symptoms will be, or whether the disorder will progress over time.

Sep 11,  · Genetic testing has potential benefits whether the results are positive or negative for a gene mutation. Test results can provide a sense of relief from uncertainty and help people make informed decisions about managing their health care.

For example, a negative result can eliminate the need for unnecessary checkups and screening. Benefits of genetic testing Reveal the cause of the disease.

Genetic testing can provide clarity and a firm diagnosis, guide therapy selection and .

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The benefits and detriments of genetic testing
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