👉 Subadultness, also known as early adulthood or adolescence, is a developmental stage characterized by physical and cognitive changes that typically begin around age 18-24. This period marks the transition from childhood into young adulthood, with significant physical and emotional changes such as growing hair, puberty onset, and developing secondary sexual characteristics. In contrast to adulthood, which typically begins at age 25 or older, subadultness is often associated with a more youthful appearance, improved health, and increased social
