The heart and brain too could be affected by the free radicals apart from the damage caused to the skin. As a person becomes old the free radicals increase the risk of cancer in him. This is the reason why an old person must be very particular about getting his requirement of vitamins in sufficient quantities to fight against the free radicals. The antioxidant properties of the vitamins E ,C and A are available to a person who includes enough of fresh fruits and lots of vegetables in his diet. A person who is unable to get enough of vitamins through his diet should get them from vitamin supplements.