An easy way to exclude this hypothesis would be to check the ages. You’d see some kind of hard drop past ~1.5 years. Skimming source 2, it seems like they’re ta

An easy way to exclude this hypothesis would be to check the ages. You’d see some kind of hard drop past ~1.5 years. Skimming source 2, it seems like they’re talking about a much wider range of ages, but still it’s be worth breaking down the data in detail.