The original source for this topic is Dr. Anne Brunet, PhD, a video from the Stanford University YouTube channel. This is very much from an academic, research point of view. So not a big-picture view of what causes a shorter or longer lifespan. Some of it is actionable, but some is just research. specifically on 'model organisms' - animals that have similar aging profiles to humans. Mice. Worms. But very interesting in terms of some things that could have a big impact on longevity.

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