Lifespan refers to the maximum amount of time that an organism is able to live, while healthspan refers to the amount of time an organism is able to live in good health. The main difference between the two is that lifespan is focused on increasing the maximum amount of time an organism can live, while healthspan is focused on increasing the amount of time an organism can live in good health.
Lifespan can be increased through genetic manipulation, calorie restriction, and other interventions, while healthspan can be increased through maintaining a healthy lifestyle, managing chronic diseases, and other interventions.
In terms of implications for increasing longevity, focusing on lifespan alone may result in an individual living a longer life, but not necessarily a healthier one. Therefore, increasing healthspan is a more viable approach for achieving the goal of healthy longevity.
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