Editor's note: Michael J. Fox is an Emmy Award winning actor, best-selling author and advocate for Parkinson's research. His foundation is dedicated to finding a cure for Parkinson's disease through an aggressively funded research agenda and to ensuring the development of improved therapies for those living with Parkinson's.
(CNN) - Biomedical research is complicated. For patients, the pace of progress can be frustratingly slow. Two announcements last month - one about biomarkers, the other about stem cell research - left many of us feeling that for every promising discovery, there are even greater setbacks.
We started August with good news about the discovery of an Alzheimer's biological marker in spinal fluid that will allow earlier diagnosis of patients who are experiencing some memory loss. It may not sound sexy. But for Alzheimer's patients and their loved ones, the significance of this finding is hard to overstate.