What's it like to be a junior doctor?

Junior doctors are threatening industrial action over plans to change the terms of their contracts, which they say will lead to a big drop in their salaries.

The Department of Health says it needs to implement a new contract next year - which cuts the number of working hours currently classified as "unsociable".

But what's life like as a junior doctor? Three of them have been filming for Newsnight over the last week - these are their stories.