At birth, Calvin was expected to live 68 years. However, as he successfully survived childhood illnesses and as medical science improved its knowledge and treatment of various diseases, he learned that he could expect to live to be 77 years old. During Calvin's life, his ___________ increased.

Question

Quizplus · Accepted Answer

Calvin's life expectancy increased as he survived childhood illnesses and benefited from advancements in medical science, allowing him to expect a longer lifespan.

At Birth, Calvin Was Expected to Live 68 Years