Adult development encompasses the changes that occur in biological and psychological domains of human life from the end of adolescence until the end of one's life. These changes may be gradual or rapid, and can reflect positive, negative, or no change from previous levels of functioning. Changes occur at the cellular level and are partially explained by biological theories of adult development and aging.
Network Connection Required to View this Feature. Section 1, Article 1 - By the time that individuals are to years-old, their physical bodies have reached maximum growth. Emerging adults are as tall and strong as they are ever going to be.
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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. Each person experiences age-related changes based on many factors: biological factors such as molecular and cellular changes are called primary agingwhile aging that occurs due to controllable factors, such as lack of physical exercise and poor diet, is called secondary aging.
Much of your body is already fully developed even before you reach adulthood. Although you might reach maturity in many areas before adulthood, there are still changes and declines that take place, especially between 35 to 60 years old during middle adulthood. You will reach your full height by the time you are in your mids.
Age clocks, or the internal sense of timing of physical and social events, determine the various life stages through which adults pass. Although people age at different rates, the majority of Americans, reinforced by social norms, pass through a series of predictable periods. According to Levinson, the ages of 17 to 45 encompass early adulthood, which he divides into the novice phase 17—33 and the culminating phase 33—
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As individuals move through early and middle adulthood, a variety of physical changes take place in the body. An eye disease or disorder of the optic nerve that, if untreated, may lead to damage to the optic disc of the eye and resultant visual-field loss, which can lead to blindness. Inability of the eye, due to aging, to focus on nearby objects; farsightedness.
In early adulthood, the rapid growth of youth has well and truly finished and people have taken on adult body proportions. Early adulthood is usually the stage of the lifespan where people are able to perform physically at their best. The senses of sight, hearing, taste, smell and touch are at their best, and people are at their sexual peak.