These examples are automatically selected from various online news sources to reflect the current usage of the term "lifetime". The views shown in the examples do not represent the views of Merriam-Webster or its editors. Please send feedback
2: Average life expectancy of a biological or physical object, especially in a specific environment or a specific environment
Nature gives each species its own lifetime. Life expectancy is somewhat similar to the upper limit of life expectancy. If you make each member of a species healthier and healthier, the life expectancy of that species will be longer, but ultimately it will be limited by the lifespan. The life span of each species is different. A few days for flies, 200 years for whales. For humans biologists have discovered that the lifespan until the 1960s is about 89 years. This means that if we continue to improve our health system, the life expectancy of the world's population will converge to the life cycle of our species.
Two important times to watch out are the lifespan and the scope of work. The average lifespan of the United States is 78.6 years old, and it is decreasing owing to the spread of opioids. According to education, career and retirement age, the average working hours in the U.S. is 40 years old. Since the average is not my goal, I am adjusting my life and work way (#LifeWorkIntegration). Lilian Gregory is an enthusiastic supporter of the leadership of the 21st century, with particular emphasis on women's leadership, women's skills, and American veterans and spouses. He offers research, strategies, tools, seminars, and events to reduce the gap between leadership and career strategy. Download the new eBook from Human and Leadership Excellence Institute and climb immediately!
Since birth statistics are inaccurate or incomplete, modern verification standards are accompanied by a lot of difficulties in proof of the longest life in human history. Novels, legends, and folklore insist that past or future lifetime far exceeds lifetime, as evidenced by contemporary standards, stories of longevity, and unproven longevity claims . Twin studies estimate that approximately 20-30% of human life may be genetically related and the rest may be changed due to personal behavior and environmental factors. According to the United States - Belgium - UK Human Genetic Variation Research Database, more than 200 genetic mutants are associated with longevity, but these can only explain a small part of the inheritance. In the 2012 survey, we found that the average life expectancy can be extended by 4.5 years even with a few leisure activities.