Developmental Psychology
Demographic Trends and Life Expectancy Patterns in Late Adulthood Populations
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Question 1: For the past few decades, in the United States and around the world, the population of older adults has been continuously growing. Longer life spans are partly responsible for this trend, along with improvements in nutrition, healthcare, and technology. Individuals aged 65 and above are considered to be part of the late adulthood population (Lally & Valentine-French, 2019). The late adulthood population has been steadily increasing in the United States, and this trend is expected to continue. Around 54 million individuals over the age of 65 made up 16% of the population in 2020, as reported by the U.S. Census Bureau. Approximately 95 million people, or 23% of the population, are projected to fall within this age group by 2060.
Similarly, the global older population is expected to increase significantly. By 2050, there will be approximately 2.1 billion individuals in this age group, up from 962 million in 2017, according to the United Nations. Life expectancy, defined as the average number of years a person is expected to live, has also been rising steadily. In the United States, life expectancy reached approximately 78 years in 2019 (Lally & Valentine-French, 2019). However, life expectancy varies by gender and race. Women generally have a higher life expectancy than men. In the United States, women have an average life expectancy of 81 years, compared to 76 years for men.
Analysis of Age Related Sensory Decline and Preventive Health Measures
Question 2: Vision, taste, hearing, and smell are among the senses affected by age related changes in sensory ability. In late adulthood, there are four common sensory changes, many of which can be managed or delayed. First, vision changes occur as the eyes age, making it more difficult to see fine details and adjust to changes in lighting (Lally & Valentine-French, 2019). These changes may contribute to conditions such as macular degeneration, cataracts, and glaucoma. Preventive measures include regular eye examinations, using protective eyewear against ultraviolet radiation, and avoiding smoking.
Secondly, hearing changes are common in late adulthood. Age related hearing loss can make it difficult to hear high pitched sounds and follow conversations (Lally & Valentine-French, 2019). To reduce the risk of hearing loss, individuals should limit exposure to loud noises, undergo regular hearing assessments, and use hearing protection when necessary.
Thirdly, taste changes may occur, making it harder to distinguish subtle flavors in food. These changes can lead to reduced appetite, weight loss, and poor nutrition (Lally & Valentine-French, 2019). Maintaining a balanced diet, practicing good oral hygiene, and avoiding smoking can help mitigate these effects.
Lastly, smell changes may develop as individuals age. A diminished sense of smell can pose safety risks, such as difficulty detecting gas leaks or spoiled food. Preventive strategies include avoiding smoking, maintaining nasal health, and reducing exposure to environmental toxins (Lally & Valentine-French, 2019).
In addition to these preventive strategies, maintaining an active lifestyle, consuming a nutritious diet, and avoiding harmful habits such as smoking can help delay the onset and progression of sensory decline. Regular physical activity improves blood circulation and reduces the risk of age related diseases, while a diet rich in vitamins and minerals supports overall sensory health.
Reference List
Lally, M., & Valentine-French, S. (2019). Lifespan development: A psychological perspective. Marth Lally & Suzanne Valentine-French.