The second aspect of the framework is tractability, which means the long-run average of people’s ability to turn resources into progress toward solving the problem. Even if a problem is hugely important and highly neglected, that doesn’t mean it’s an important cause to focus on. There might simply be very little we can do about it. For example, aging is a problem that is huge in scale: almost two-thirds of global ill health is a result of aging. It’s a problem that’s highly neglected: there are only a tiny number of research institutes focused on trying to prevent the causes of aging (rather
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