And the Hello and welcome to the naked scientists with me Anna Critchlow.

This week we're investigating Huntington's, a neurodegenerative disease that affects one

in every 30,000 people worldwide.

We'll be finding out how this disease is helping us to grasp the incredible scale of complexity of the human

brain. It's almost as if we climb to the top of Mount Everest thinking we're

going to solve this disease and then we see all the Himalayas before us which

are even higher. There's going to be several lifetimes of work to unravel the human

brain. How sheep are helping to come up with treatments for patients.

Plus, we'll visit a bank full of frozen human brains.

We have all our brain bank freezes isolated in rooms.

The tissue is kept in these biohazard bags.

I'll just open up one of them.

All to come.

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In order to explore Huntington's disease I spoke with people both in my home city of

Cambridge UK and I took to the skies for a

single-tune university using.

Huntington's disease is hereditary,

a single gene change that can be passed down generations

from mother or father to their children to cause a myriad of symptoms

varying widely from person to person, but with typical age of onset in middle age.

Because a single gene is to blame,

...