Surely you’ve already heard about lifespan and longevity… but the term “healthspan” could be new to you. On the surface, it seems like another buzzword created by health and wellness marketers. Certainly there isn’t any notable difference between lifespan and healthspan, right?
On its surface level, it’s easy to say that longevity is just another synonym for life expectancy. The reality, however, is that there’s a lot more to longevity than what you might initially think.
There’s the fact that modern medicine and diet has already brought up our lifespan considerably. However, we're also spending a lot more time in hospitals and hospice. As it turns out, those extra years don't really mean anything -- the reality of our extra years is that they're spent in fragile treatments and therapies. Because of this, longevity isn't just lifespan.
Instead, we need to bring healthspan into the equation. Healthspan is the time we are healthy. This creates a much greater goal, but also a more difficult challenge. Because of this, we see longevity as the combination of healthspan and lifespan.
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