| A drug that extends lifespan but shortens healthspan?One of the central precepts of biogerontology is that meaningful lifespan extension will be concomitant with extension of the “healthspan”, i.e., the vigorous part of life — life that is, for lack of a better phrase, worth living. Because of the importance of this assumption, we need to be on the lookout for counterexamples, such as the one provided by a recent study. |
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