Step 1: Analyzing the benefits.
1. Increased Knowledge and Experience: People would live longer, allowing them to accumulate more knowledge and experience, which could contribute to society.
2. Economic Growth: Longer lifespans could lead to longer careers and greater productivity, benefiting the economy.
3. Improved Scientific and Technological Progress: With extended life, people might work longer on scientific advancements, leading to more innovations.
Step 2: Analyzing the negative effects.
1. Overpopulation: Longer lifespans could result in overpopulation, leading to strain on resources like food, water, and housing.
2. Retirement and Pensions Challenges: The need for retirement funds and pensions could become a significant challenge, as people would need financial support for a longer period of time.
3. Stagnation of Jobs and Innovation: Younger generations might struggle to find jobs as older generations remain in the workforce for longer periods, possibly stifling innovation.
Step 3: Conclusion.
While a longer life expectancy could offer several advantages, it would also create significant societal and economic challenges.