They cause damage just like a regular heart attack, but often people don't even realise they've had a silent heart attack until their doctor informs them.
An analysis of 18 separate studies found multivitamins and mineral supplements aren't benefiting health like many thought.
Each year, 9,000 Australians die from heart attacks.
They cut cholesterol, stabilise blood sugar and help build muscle.
Despite millions of people across the world taking the supplements for years, experts say it may have all been a "waste".
A new study appears to show that some supplements really do do what they say on the tin.
Grief really does raise the risk of suffering a heart attack.
The actor, 70, had a scheduled procedure to replace a valve, which reportedly led to 'hours' of surgery.
For every study, there's one that contradicts it, and this is a chronic case!
High blood pressure or chest pain aren't the only telltale signs that all may not be well with your heart.
People who are socially isolated and have a pre-existing medical condition are 50 per cent more likely to die.