Age stages refer to the distinct phases of human development that occur throughout a person's life. These stages are typically categorized into infancy, childhood, adolescence, adulthood, and old age. Each stage is characterized by specific physical, emotional, and cognitive changes that influence an individual's growth and behavior. Understanding age stages is important for various fields, including psychology, education, and healthcare. Professionals in these areas can tailor their approaches to meet the needs of individuals at different ages, ensuring appropriate support and resources are provided during critical periods of development.