which clogs the brains of alzheimerss patients. rest researchers found repressing the genes involved in alzheimerss disease. rest levelers were lower than normal than those diagnosed with the disease. the team is now looking to test with experimental drugs that pump up. prescription may include something already on the market, which seems to activist rest. all of these findings contribute to our understanding of the disease and how to deal with it, especially for the 5 million families across the u.s., with loved ones battling the condition. also smears is estimated to kill more than half a million people every year. >> we are learning more about this terrible disease, every day. from what it does to our bodies to the impact on our families and loved ones. alzheimers disease is complex, hard to manage, and without a cure. we are joined now by three people on the front lines of the alzheimerss battle from rochester minnesota, dr. ronald petersen, director of the alzheimerss disease research center. in our washington studio, gale hun

with each passing year, the toll from alzheimerss rising. more americans die from