A groundbreaking USC Leonard Davis School study published on June 19, 2025, shines new light on why people with Down syndrome (DS) may develop Alzheimer’s disease (AD) earlier and more aggressively—iron may be a core culprit. 1. Why Focus on Iron? 2. Key Research Findings In comparing postmortem samples from individuals with DS + AD […]

For many parents of children with Down syndrome, the diagnosis feels permanent—rooted in every cell of the body. That’s because Down syndrome is caused by something very specific: an extra copy of chromosome 21. Most of us have two copies of each chromosome, but people with Down syndrome have three copies of number 21—this is […]