Advance warning

摘要

ALZHEIMER'S disease has no cure. There are, however, five drugs-known and approved-that can slow down the development of its symptoms. The earlier such drugs are administered, the better. Unfortunately, the disease is usually first noticed when people complain to their doctors of memory problems. That is normally too late for the drugs to do much good. A simple and reliable test for Alzheimer's that can be administered to everybody over the age of about 65, before memory-loss sets in, would therefore be useful.