But few of us spare a thought for what is going on inside our bodies when we look in the mirror.

Shocking new research has revealed that 80 per cent of Brits are still putting themselves at risk from coronary heart disease by eating too much saturated fat.

Experts say a staggering 3,500 lives could be saved every year if everyone reduced their 'bad fat' intake to the recommended 20g per day for women and 30g for men.

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Found in fatty cuts of meat like streaky bacon, as well as butter, whole milk and cheese - it may seem tough to slash the sat fats without banning all your favourite foods.

But independent dietary body The Fat Panel says that a few small changes - such as swapping whole milk for skimmed, using low-fat spreads instead of butter and back bacon in place of streaky can make a big difference.