With the growing accessibility of direct-to-consumer genetic tests, understanding their reliability is crucial. We are committed to ensuring that you have the necessary awareness to ask the right questions should you decide to offer genetic testing to your patients. The distinction between Single Nucleotide Polymorphism (SNP) arrays and Next-Generation Sequencing (NGS) will be thoroughly explained, emphasizing their advantages and limitations. Genetics is at the forefront of modern medicine, and it is essential for every healthcare professional to have a fundamental understanding of these key concepts.