british heart foundation
'Every minute is crucial; I would say every second is crucial.'
This could help more patients survive any post-op complications.
Married couples may live longer than singles.
And the young may be most vulnerable.
Do you really need to take them?
40,000 people die from stroke each year.
Researchers hope this will help doctors better understand who is at risk.
They've also revealed the best way to protect against heart disease.
It makes open-heart surgery less risky.
It's been inspired by a molecule found in sharks.