1.   And what analyses of healthy old brains show is that old people may use different parts of the brain from young people to accomplish the same task.

2.   Apart from a reduction in the number of brain cells, another aspect of aging in the healthy brain seems to be a drop in the connections between them.

3.   Anti-inflammatory drugs could suppress the microglia attacks and prevent the death of healthy brain tissue.

4.   By providing children with surrogate grandparents, officials hope to enhance their self-esteem and promote healthy brain development.

5.   Certain physical activities promote healthy brain chemistry.

6.   Even more interesting is the exploration of facial expression and how the healthy brain interprets it.

7.   Even in a healthy brain, estrogen can improve cognitive function, Henderson said.

8.   Furthermore, the shrinkage of a healthy brain does not seem to result in any great loss of mental ability.

9.   In some ways a healthy old brain is like a pitcher whose fastball has faded but who can still strike a batter out with other pitches.

10.   Iron is needed for healthy brain development, Koeppen said.