HLA, CYP2D6, and the Regions Most DNA Tests Miss Entirely

Some of the most medically consequential stretches of your genome are also the hardest to read, which is exactly why most tests skip them. A real HLA typing DNA test speaks to drug hypersensitivity, autoimmune risk, and transplant matching. CYP2D6 governs how you metabolize a long list of common medications. Both are notoriously difficult to […]

What Makes a DNA Health Test Accurate?

It is tempting to assume the most accurate DNA health test is whichever one stamps “peer-reviewed” on the box. Publication is the floor, not the ceiling. The real question is whether a company’s risk scores have been put head to head with the best reference models in the field, on populations they were never trained […]

23 Reasons to Choose SelfDecode

Almost every consumer genetics company claims to be the best. The claim has become so universal it stopped meaning anything. So here is the honest version. The right way to choose a genetics company is to apply a concrete framework and see which company survives it: advanced peer-reviewed science, real sequencing quality, report breadth, ancestry-aware […]

Genetic Testing for ADHD Medications and How Personalized Medicine is Changing Treatment

You’ve tried three different ADHD medications. One caused anxiety and insomnia. Another did nothing. The third worked but triggered unbearable side effects. This frustrating cycle is familiar to millions of adults managing attention-deficit/hyperactivity disorder. What if your DNA could reveal which ADHD medications your body will process effectively and which ones may fail or cause […]

Understanding the Cost of PGx Testing and What Patients Should Expect

You’ve tried three different medications for your condition, each with disappointing results or unbearable side effects. Your doctor mentions a test that could identify which medications your body processes best – but will it cost thousands of dollars? And will insurance even cover it? The cost of pharmacogenomic (PGx) testing often feels like a mystery […]

Do You Need Methylated B Vitamins Based on Your Genetic Profile

Ever wonder why you still feel tired and foggy despite taking B vitamin supplements religiously? The answer might be hiding in your DNA. Here’s the thing: not all vitamin B forms are created equal, and more importantly, not all bodies process B vitamins the same way. If you’ve got certain genetic variants (and chances are, […]

How Methylation Pathways Influence DNA and Overall Wellness

What if the secret to better health isn’t found in the latest supplement craze or workout trend, but in a process happening millions of times per second inside every cell of your body? Meet methylation pathways – your body’s molecular control center that’s quietly orchestrating everything from which genes get turned on to how well […]