Over the past century, advances in medicine, technology, and living standards have allowed people to live longer than ever before. Diseases that were once deadly can now be prevented or treated, and healthcare systems have improved dramatically in many coun...
Faglig kvalitetssikret av lærere og toppstudenter · Følger læreplanen (LK20) · Sist oppdatert 2026-09-16
Understanding the improvements in health and longevity is crucial for writing a nuanced discussion essay, as it requires you to analyse both the celebrated benefits and the complex societal drawbacks of an aging population.
This comprehensive guide will equip you with the knowledge and vocabulary to construct a well-argued essay on improvements in health and longevity. We will explore the remarkable progress in medicine and living standards that has led to extended lifespans, while also critically examining the multifaceted challenges, from economic strain to social infrastructure, that accompany an aging global population. By mastering these concepts, you will be able to present a balanced and insightful discussion, essential for high-scoring essays in English VG1, VG2, and VG3.
Over the past century, advances in medicine, technology, and living standards have allowed people to live longer than ever before. Diseases that were once deadly can now be prevented or treated, and healthcare systems have improved dramatically in many countries. While these developments are positive in many ways, they also present new challenges, such as aging populations, pressure on healthcare services, and economic strain. This essay will discuss both the advantages and disadvantages of longer life expectancy before concluding with a balanced view.
In your English exam, particularly for VG1, VG2, and VG3, you will often encounter long-form writing tasks that ask you to discuss a contemporary issue. A topic like "Improvements in Health and Longevity" is a classic example of a task requiring a balanced argumentative structure. Examiners use such topics to assess your ability to understand complex social issues, structure a coherent argument, and use precise, formal language. The competence aims in the English subject curriculum (LK20) require you to "discuss and elaborate on social issues" and "use subject-related and precise vocabulary". Mastering this topic demonstrates your ability to move beyond simple opinions and engage in a sophisticated, evidence-based discussion.
To write a high-scoring essay on this topic, you must use precise terminology. Using these terms correctly will elevate your analysis and show the examiner your command of the subject matter.
| Term | Definition | Example in a sentence |
|---|---|---|
| Life Expectancy | The average period that a person may expect to live. | In Japan, the average life expectancy has surpassed 84 years, leading to a significant demographic shift. |
| Healthspan | The period of life spent in good health, free from the chronic diseases and disabilities of aging. | While lifespan is increasing, a key challenge is ensuring that healthspan increases with it, so people are not just living longer but living better. |
| Dependency Ratio | An age-population ratio of those typically not in the labour force (the dependent part, ages 0-14 and 65+) and those typically in the labour force (the productive part, ages 15-64). | A high dependency ratio puts immense pressure on the working population to fund pensions and healthcare for a large number of retirees. |
| Silver Economy | The part of the economy related to the changing demands of the population over 50. It includes products and services they consume and the economic activity they generate. | The silver economy represents a growing market, with companies developing new technologies and services specifically for seniors. |
| Intergenerational Equity | The concept of fairness between generations. It concerns whether future generations will have the same opportunities as current generations. | Debates about raising the retirement age often centre on the principle of intergenerational equity, balancing the needs of seniors with the economic burden on the young. |
| Demographic Shift | A change in the characteristics of a population, such as changes in age structure, birth rates, or death rates. | Many European countries are experiencing a significant demographic shift towards an older population, impacting social security systems. |
| Gerontology | The scientific study of old age, the process of aging, and the particular problems of old people. | Advances in gerontology are crucial for understanding and addressing the health and social needs of an aging global population. |
One of the most significant benefits of medical progress is the improvement in overall health and well-being. Vaccinations, antibiotics, and advanced treatments have dramatically reduced mortality rates and increased life expectancy. The eradication of smallpox and the near-elimination of polio are testaments to the power of preventive medicine. People today can enjoy more years of good health, stay active in their communities, and spend more time with loved ones. Furthermore, modern healthcare has made it possible to manage chronic diseases like diabetes or heart conditions, allowing individuals to maintain a decent quality of life. This improvement gives people more time to pursue education, careers, and personal goals, enriching both their own lives and society as a whole. The focus is shifting from merely extending lifespan to enhancing 'healthspan'—the years a person lives in good health. For instance, a person with well-managed type 2 diabetes can continue to work and travel for decades, a scenario that was unimaginable a century ago.
Another important advantage of longer life expectancy is that older people can continue to contribute to society. Many retirees engage in volunteer work, provide childcare for their grandchildren, or share their experience and wisdom with younger generations. For example, a retired engineer might mentor students in a robotics club, or a former nurse might volunteer at a local health clinic. Their presence can strengthen family bonds and social stability. Additionally, in fields like education, business, and public service, the knowledge and expertise of older professionals can help train and mentor younger workers. This transfer of experience supports continuity and growth within organizations and communities. This contribution is part of the growing "silver economy," where seniors are not just consumers but also active economic and social participants. They contribute through continued employment, entrepreneurship, and their consumer spending habits, which create new markets for goods and services tailored to their needs.
However, there are clear drawbacks to longer lifespans, particularly in terms of economic burden. As more people live longer, the number of retirees increases, while the working population decreases. This imbalance, measured by the dependency ratio, can create serious financial challenges for governments that must fund pensions, healthcare, and social services for the elderly. In countries like Italy and Japan, this demographic shift is already straining public finances. In some countries, younger workers are already paying higher taxes to support the growing number of older citizens. This situation can lead to intergenerational tension, as younger people feel the strain of caring for an aging society. If not managed carefully, longer lifespans could threaten economic stability and lead to difficult policy choices, such as raising the retirement age, increasing social security contributions, or cutting public services. The long-term solvency of national pension schemes, for example, becomes a major political and economic concern.
Longer life expectancy also places great pressure on healthcare systems. As people age, they are more likely to suffer from chronic illnesses, dementia, and other age-related conditions that require expensive and long-term treatment. For instance, the rising prevalence of Alzheimer's disease necessitates specialised care facilities and places a heavy emotional and financial burden on families. Hospitals, nursing homes, and caregivers are often overworked, and resources can become stretched thin. This raises difficult questions about resource allocation, such as whether health care should not be provided for free regardless of income. In addition, many elderly people experience loneliness or social isolation, especially if their family members are busy or live far away. This emotional struggle can lead to depression and reduced mental health, showing that longer life does not always mean better quality of life. This phenomenon highlights the importance of social support networks and community integration for the elderly, not just medical care. …