How Infidelity DNA Testing Works - Science Behind Trust and Doubt Infidelity can shake the foundation of any relationship. When doubts creeps in, some people turn to science for answers, that’s where infidelity DNA testing comes in. It’s a way to check for DNA evidence on everyday items, helping confirm or ease suspicions. But infidelity DNA testing isn’t just about swabbing an object and getting a yes or no answer. It involves careful...