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Three-year-old Yuna, who has shell shock, arrived at The Big Cat Sanctuary in Smarden on 17 August and stayed inside her enclosure for a week.

Yuna, a three-year-old lioness, has shell shock but it is hoped she can now heal at her new home at The Big Cat Sanctuary, in Smarden.

It started off as battle fatigue, and then it evolved into shell shock.

Doctors then discovered he was suffering from shell shock.

Under the stress of trench warfare, some soldiers seemed to suffer nervous breakdowns, a condition that became known as shell shock.