Final answer:
Adulthood is divided into stages, including middle adulthood. In middle adulthood, people raise families, achieve career goals, and experience signs of aging. The risk of health problems also increases during this stage.
Step-by-step explanation:
Biological Development of Young and Middle Adulthood and Late Adulthood
Adulthood is divided into the stages of early, middle, and late adulthood. During middle adulthood (mid-30s to mid-60s), people raise families, strive for career goals, and start showing signs of aging such as gray hair and wrinkles. The risk of health problems, including heart disease, cancer, and diabetes, increases during this stage of life.