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- According to the NIH article Direct-to-Consumer genetic testing advantages and pitfalls", “If the test results indicate that a consumer has a genetic predisposition to a certain disease or phenotype of interest, then he or she may take proactive steps to improve his or her own health.”
- One Pro to genetic testing is, It may be possible for consumers to learn if they are predisposed to a particular phenotype or disease through genetic testing and knowing this may help them make lifestyle adjustments or take other preventative measures that may reduce their risk of contracting the condition.
- According to the FDA article "Direct-To-Consumer Tests", “Carrier Screening Tests (21 CFR 866.5940): These tests can be used to determine whether a healthy person carries a genetic variant that could be passed on to their potential future child(ren).”
- Another pro to genetic testing is, When it comes to family planning and the dangers of passing on a certain gene variant to future generations, genetic testing can be a significant assistance.
- According to the NIH article Direct-to-Consumer genetic testing advantages and pitfalls", “Predictive models are gradually starting to use more genetic variants, as GWASs are discovering more genetic variations as a consequence of using an increased number of samples, and recently developed predictive models take into account genome-wide variations, calculating a genome-wide polygenic score (GPS). In a study using a GPS for body mass index, the people with the highest score category had an obesity prevalence rate four times higher than that of the other categories [6]. Thus, the GPS method has yielded better predictions than ever before.”
- Finally the last pro to genetic testing is, The accuracy of patient test results is increasing as more variations are being used in new genetic tests.