The material, mistakenly stored in a warehouse over five years, included cancer test results.
The Public Accounts Committee criticises Theresa May and the NHS for "bickering" over funding.
A quarter of all patients smoke and Public Health England wants to help them quit their habit.
What’s gone wrong with social care and who is affected?
Is a community-led approach to care the way ahead?
Can only the wealthy afford 10 portions of fruit and veg a day?
Should we eat insects?
How I explained to my children I had cancer
Spotting the illness that can cause sudden blindness
Preview the new psychological thriller