Alamy
With heart and circulatory diseases causing more than a quarter of all deaths in the UK (according to The British Heart Foundation) it is essential that we do all we can to look after our heart health.
There are many ways to take care of your ticker, from the changing unhealthy habits (cutting down on certain foods and regular exercise) to learning how to spot warning signs.
We've pulled a selection of essential heart health tips in the A to Z guide below.
If you think we've missed anything let us know in the comments or email uklifestyle@huffingtonpost.com