Are we so worried about living longer that we're not living well?

In the age of wellness, there's an endless stream of advice about how to live longer, stay healthy, and even reverse your biological clock.It ranges from the mild — eat well, move your body, maybe throw in some supplements — to the extreme, with billionaires "biohacking" their way to a long life.Some people are taking it so far that an unofficial diagnosis has emerged: "longevity fixation syndrome", an intense anxiety that stems from this idea of maximising our health.So are we becoming so obsessed with living longer that we're no longer living well?