GP Dr Dominic Greyer previously shared that strength training, good sleep, reducing inflammation, maintaining your “metabolic flexibility,” and enjoying life (in moderation) separates those who age well from those who don’t.
And a new paper, which focused on the short-lived African turqioise killifish, aimed to work out how different behaviours appeared to affect their ageing trajectories.
The fish, which were partly chosen because they shared “key biological features with longer-lived species like humans, including a complex brain”, shared the same genes and were raised in similar environments.
Researchers found that by midlife (for the fish, 70-100 days), fish that lived longer were already behaving differently from tho...


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