Adulthood begins around 20 years old and has three distinct stages: early, middle, and late. Each stage brings its own set of rewards and challenges. Figure 1. Physical declines of middle and late adulthood can be minimized with proper exercise, nutrition, and an active lifestyle.
Adulthood - Biology LibreTexts
Adulthood , the period in the human lifespan in which full physical and intellectual maturity have been attained. Adulthood is commonly thought of as beginning at age 20 or 21 years. Middle age, commencing at about 40 years, is followed by old age at about 60 years. A brief treatment of development during adulthood follows.
The 12 Stages of Life
As individuals move through early and middle adulthood, a variety of physical changes take place in the body. As we age, our bodies change in physical ways. One can expect a variety of changes to take place through the early- and middle-adult years.
This colorful family portrait includes an elderly woman and her young-adult granddaughter from the Hmong ethnic group in Laos. Both grandmother and granddaughter are adults, but they are obviously far apart in age. What ages define the beginning and end of adulthood?