For most of her adult life, Dr Alka Patel pushed her body to breaking point, working long hours, eating the odd biscuit to keep her from collapsing, and sleeping for no longer than four hours a night.

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"Basic survival skills. This doesn’t only relate to getting lost in the wilderness, but also to what to do in case of fire, ...

"Basic survival skills. This doesn’t only relate to getting lost in the wilderness, but also to what to do in case of fire, ...