Health
Scarred for life? The biology of childhood hardship
Suffering in our early years can have terrible after-effects – not only on us but also on our descendants. We're now closing in on how the biology works
Opinion
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Suffering in our early years can have terrible after-effects – not only on us but also on our descendants. We're now closing in on how the biology works
Tourette's-free volunteers acquire copycat tics after brain stimulation, providing insight into the causes of the sydrome