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.
Cardiovascular disease (CVD) is a major cause of death in Australia.
With Father's Day coming up, the lovely dads we have, and the ones we've lost, are in our thoughts.
Both low and high salt intake has been linked to cardiovascular problems such as stroke and heart attack.
In Australia, 430,100 people will be out of action for six months as a result of their heart attack.
The cooler months can be just as harmful to heart health as respiratory conditions.
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.