You're listening to TED Talks Daily, where we bring you new ideas to spark your curiosity every day.

I'm your host, Elise Hugh.

What does Parkinson's smell like?

Ask Nurse Joy Milne.

Les and I met when we were 16 at school.

And he had this wonderful male musk smell.

He knew I was sensitive, so he didn't wear any perfume or deodorant.

However, when he was 31, that smell began to change, and it worried me.

By the time he was 33, this smell was his dominant smell.

But unknown to us, I had diagnosed him with a disease. My nose had diagnosed him. My nose had diagnosed him. And it took medicine 12 years later to catch up,

and he was diagnosed with Parkinson's disease. Born with a hypersensitive nose,

Joy began to recognize diseases through their sense during her decades of work as a nurse.

She shares the journey she's been on to make the best of her super-smelling abilities and how her extraordinary nose has been translated into a non-invasive test,

helping researchers diagnose what was right under their noses all along.

That's coming up right after a short break.

And now our TED Talk of the Day.

I'm going to start by asking you,

which superpower would you like to choose?

Would it be flying?

Would it be strength?

Would it be speed?

The national papers and media have given me,

...