heart failure
And the young may be most vulnerable.
Do you really need to take them?
But don't get carried away just yet.
'[It] is not a harmless condition.'
'She may have actually died if she had not sought medical attention.'
'It can cause serious problems with your heart.'
But there's a catch.
It's been a mystery, until now...
'An impact that can last more than 30 years.'