Finding a cure for Alzheimer's is an extremely complex task. Scientists still do not know what causes the disease. Once the symptoms appear, the gradual memory loss is inevitable and available drugs can only slow down the process. Researchers, however, believe the disease develops slowly, over years, so detecting it before the symptoms appear may give the patients a better chance of a longer life. VOA's George Putic reports.
Feb. 4 is World Cancer Day, an annual opportunity to raise awareness of cancer and encourage its prevention, detection and treatment. In the area of detection, Faith Lapidus reports that researchers at the Johns Hopkins Kimmel Cancer Center in Baltimore, Maryland, are developing a blood test that screens for eight different types of cancer.