schwit1 quotes a report from The Telegraph: The Alzheimer’s gene, which dramatically raises the risk of developing dementia, is already affecting carriers by the age of three, shrinking their brains and lowering cognition, a new study suggests. Children who carry the APOEe4 gene mutation, which raises the chance of dementia by 15 fold, were found to do less well in memory, attention and function tests. Areas of the brain affected by Alzheimer’s disease, such as the hippocampus and parietal gyri, were also found to be up to 22 percent smaller in volume. [Around 14 percent of people carry the APOEe4 mutation. The research is the first to show that genetic changes which can lead to Alzheimerâ(TM)s are already affecting the brain extremely early in life. Scientists from the University of Hawaii, Yale and Harvard say screening for the gene could help doctors identify which children could benefit from early interventions, such as educational help, preventative treatments, health monitoring and increased exercise. The study involved 1,187 youngsters between the age of three and 20 who took part in genetic tests and brain scans as well as undertaking a series of tests to measure their thinking and memory skills.] According to research from Oregon Health and Science University (OHSU), infrequent use of a computer in later life could be an early sign of reduced cognitive ability.
Read more of this story at Slashdot.