What is human developmet?

Human Development is a field in psychology that examines the growth span of humanity in both a cultural term and a biological term. Psychologist examine theories suggest by famous psychologist such as Sigmund Frued, Erik Erikson, Abrham Maslow, and so forth. Who have contribute to the understanding of human development from the very early days of life to the very last days. Human development is one of the most fascinating thing. This field of study is interested in how people change over time in language, body weight and height, in looks, and levels of intelligence throughout an individuals life span.