People standing on a glass floor at the Ostankino tower in Moscow, Russia
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A brain circuit that mediates a fear of heights has been identified in mice, a discovery that could help improve treatments in people with an extreme reaction to such situations.
A fear of heights, often accompanied by anxiety and dizziness, is thought to be an in-built physiological response that evolved to help prevent injuries from falling. But 3 per cent to 6 per cent of people have acrophobia, an intense version of this that can impact their …