Are at-home DNA tests accurate? What they can and can't tell you about inherited health risks

  At-home DNA tests have revolutionized personal health insights, but understanding their accuracy requires examining the underlying technology. These tests typically analyze single nucleotide polymorphisms (SNPs), which represent common genetic variations found throughout the population. Major providers like 23andMe and AncestryDNA achieve impressive accuracy and best results for raw genetic data, with laboratory processing standards