Gerald Quigley joins Tony McManus to discuss how an egg a day can reduce cardiovascular disease, a few years ago the dieticians were telling us that eggs lift cholesterol and would kill us!

Gerald also discusses:

* Flavonoids, found in red grapes and blueberries, slow lung function decline as we age.

* Larger waistlines are linked to lower levels of vitamin D

* Can we cook with olive oil?

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