Increasingly, there are imaging technologies that allow you to look at deposited amyloid plaque and even deposited tau in the brain. Doug Williamson More Quotes by Doug Williamson More Quotes From Doug Williamson If you wait until people have got significant cognitive problems, then the damage is already done, i personally think it's going to get better once we have an effective treatment. Doug Williamson top-news Why isn't the body attacking the tau proteins ? Why isn't it recognizing them as foreign and toxic and eliminating them the way that it usually does ? Doug Williamson top-news An analogy to this would be cholesterol-lowering drugs and heart disease. Doug Williamson top-news