How do you eat well in freezing the cold? When you live in some of the coldest places on earth, what you eat, and how much, really matters.

Ruth Alexander hears advice from a scientist, who goes on expeditions to study the body’s reaction to sub-zero temperatures, and talks to people living in the Arctic circle.

What do they cook, and what is their favourite food and drink to keep them warm in the winter? She hears how they find fresh ingredients when all around the ground is frozen – and how freezing temperatures can spark culinary creativity.

Producer: Julia Paul and Lexy O'Connor

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