SelfSensei.com explores the pervasive nature of cognitive biases, which are systematic mental shortcuts that lead to deviations from rational judgment. They detail numerous types of biases, such as anchoring, confirmation, availability, sunk cost, overconfidence, Dunning-Kruger, framing, bandwagon, halo, and hindsight bias, providing examples of their impact across personal, professional, and societal contexts, including finance, medicine, and law. The texts emphasize that while biases are inherent, often evolving for efficiency, they can lead to significant errors. Finally, the sources offer practical strategies for mitigating these biases, highlighting the crucial role of self-awareness, metacognition, and structured decision-making processes in fostering more objective and effective choices.