Scientists have uncovered hidden DNA switches in brain support cells that regulate genes linked to Alzheimer’s disease. The discovery turns vast stretches of “junk DNA” into a valuable roadmap for understanding brain disorders and training powerful AI models. Credit: Shutterstock When people picture DNA, they often imagine a set of genes that shape our physical traits, influence behavior, and help keep our cells and organs functioning. But genes make up only a small slice of our genetic code.

Tag-uri: DNA