https://www.youtube.com/watch?v=R9OUz3sHzZk Alzheimer's disease is a devastating illness. Those who suffer from it, slowly start to lose themselves and there's not much that can be done. Unfortunately, this is a disease that is becoming more common, affecting more and more people around the world. It's estimated that more than 40 million people worldwide suffer from Alzheimer's. MORE: 10 things you should know about Alzheimer’s disease In this video shared by TEDx Talks, Dr. Lesley Cheng talks about the disease that "takes away your memory and your ability to think." Working in molecular science, Cheng has been doing research for degenerative diseases and several other health conditions, focusing on personalized medicine. In this video, Cheng shares some thoughts on Alzheimer's disease, how science and research has been moving towards finding a cure and developing new treatment options, as well as diagnosis techniques, such as a simple blood test. MORE: Alzheimer’s clinical trials for people at risk of the disease now recruiting Alzheimer's News Today is strictly a news and information website about the disease. It does not provide medical advice, diagnosis or treatment. This content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.