Down's sufferers may benefit from research, says Bupa

Down’s syndrome is caused by having an extra chromosome. One effect is that people with Down’s syndrome have memory and learning problems. This delays brain development and means they find it difficult to adapt to changes in their environment. American researchers considered whether increasing the concentration of the chemical, noradrenaline, in the brains of mice bred to show similar symptoms could reverse problems with brain function. If so, this could also be effective in humans who have Down’s syndrome. The scientists found that when the mice were put into an unfamiliar cage they ...