Intensive Study 6 Living to Be 200 Years old 7 Life expectancy will rise around the world, creating a rapidly growing proportion of old people in the population, as well as the age of the oldest humans- now above 120 years. Rapid progress in biotechnology suggests that breakthroughs may occur that will enable medical science to slow or reverse the aging process. This could mean that many people born in the next 30 years may live to be 200, 300, or more years old6 Living to Be 200 Years Old 7 Life expectancy will rise around the world, creating a rapidly growing proportion of old people in the population, as well as the age of the oldest humans — now above 120 years. Rapid progress in biotechnology suggests that breakthroughs may occur that will enable medical science to slow or reverse the aging process. This could mean that many people born in the next 30 years may live to be 200, 300, or more years old. Intensive Study