Explains how antioxidants affect CVD

1. Chapter 1C

2.  Understand the link between dietary antioxidants and
risk of CVD.
 Be able to distinguish between correlation and
causation and recognise conflicting evidence.

3.  Longitudinal study – 84000 women, 42000 men.
 Graph shows how fruit and vegetable consumption
affects CVD rates.

4.  They are molecules
that inhibit the
oxidation of other
molecules which
can lead to chain
reactions that may
damage cell.

5.  Vitamin A - carrot, vitamin C – citrus
fruits, vitamin E – leafy green vegetables,
almonds, sunflower oil.
 Recent studies have shown that the
evidence for antioxidants being good for
your heart is inconclusive.
 Even they may cause harm.

6.  Is important in the formation of connective tissue in
the body, such as in the bones, teeth, skin and many
internal body surfaces including the endothelial lining
of blood vessels.