Artificial intelligence (AI) has rapidly moved from a specialized technological field into an important part of contemporary social and human development. AI-enabled systems are increasingly used in education, employment, healthcare, public administration, communication, and creative industries. This conceptual review examines how AI may influence social and human development while considering both opportunities and emerging challenges. The paper discusses potential benefits including improved access to information, personalized learning, productivity enhancement, decision support, and the development of new forms of digital participation. It also considers concerns related to employment disruption, algorithmic bias, privacy, digital inequality, misinformation, and the changing nature of human skills. The review argues that the social consequences of AI are shaped not only by technical capabilities but also by institutional policies, education systems, ethical standards, and equitable access to digital infrastructure. A human-centered approach is therefore important for ensuring that AI contributes to inclusive development rather than reinforcing existing inequalities. The paper concludes by identifying broad directions for responsible AI governance, digital literacy, interdisciplinary research, and continuous evaluation of social impacts.