"While eggs do contain some cholesterol, the body is very clever at reducing cholesterol production when it gets more ... from products like eggs, milk and cheese.''
But Dr Kostner warns against over-indulging or adding fatty foods like bacon to eggs and says not everyone can indulge.
"In diabetics research has always indicated that a higher intake of dietary cholesterol ... may actually increase your cardiovascular risk.''
The egg-a-day message is beginning to get through and Dr Kostner says people needn't be concerned if they have more than one egg in a sitting.
"You can have two or three eggs on one or two days a week, or you can eat an egg a day and it's not going to make a big difference.''
He also says eggs have many health benefits.
"They're very high in protein but they also contain a lot of things like vitamins and nutraceuticals that are beneficial for the body, especially in the older population.''
Dr Kostner says it's important to view eggs as simply one part of a well-balanced diet.
"I tell a lot of my patients that kangaroos can get fat on grass, that doesn't mean that grass is bad but it means that if you have too much of a good thing it is basically bad.''
And Dr Kostner admits he is an egg fan.
- AAP