Diagnosis and Causes Archives

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What the latest research shows about the causes and detection of dementia: Testing for memory loss, contributing factors, and the growing burden of Alzheimer’s disease.

Anesthesia Does Not Lead to Dementia, Study Finds

A new study provides reassurance to the millions of people who must undergo major surgery each year: general anesthesia does not appear to lead to an increased likelihood of developing Alzheimer’s disease or other forms of dementia. The findings, published … Continue reading

Poor Sleep May Be Early Sign of Alzheimer’s

People with Alzheimer’s disease often sleep poorly. Now, a new study shows that sleep problems may signal the early onset of Alzheimer’s disease. The findings, from researchers at Washington University School of Medicine in St. Louis, are consistent with earlier … Continue reading

Blood Pressure Drugs May Reduce Alzheimer’s Risk

Men and women who take drugs to keep high blood pressure in check may be somewhat protected against Alzheimer’s disease and other types of dementia, a new study found. And those who took a type of blood pressure drug called … Continue reading

Blacks and Whites Share Common Alzheimer’s Genes

One of the first broad studies of genetics in African Americans has found that blacks and whites of European ancestry share similar genes when it comes to the risk of developing Alzheimer’s disease, though there are slight differences. The research … Continue reading

Brain Changes Detected 20 Years Before Alzheimer’s Symptoms

Scientists increasingly recognize Alzheimer’s as a disease process that begins years before symptoms of dementia become evident. Now, new research has found changes in the brain and body up to 20 years before Alzheimer’s symptoms arise. The research, published in the journal … Continue reading

Newly Identified Gene Triples Alzheimer’s Risk

Researchers have discovered a new genetic defect that increases the risk of developing late-onset Alzheimer’s, by far the most common form of the disease, by threefold or more. The mutated gene is known to play a role in the immune … Continue reading

A Range of Diagnostic Tests for Alzheimer’s

Various tests for diagnosing Alzheimer’s disease have become available in recent years, although they remain imperfect diagnostic tools. Now researchers at Duke University report that using a combination of tests – two types of brain scans along with analysis of … Continue reading

Football Players at Increased Alzheimer’s Risk

Professional football players are at increased risk of dying from Alzheimer’s disease, a new study reports. The findings are consistent with earlier reports that concussions and other head injuries that damage the brain can raise the risk of Alzheimer’s and … Continue reading

Herbal Remedy Ginkgo Fails to Stem Alzheimer’s Slide

Much has been made of the promises of the herbal remedy ginkgo biloba for keeping the memory sharp in old age. But a rigorous new study of the herb had disappointing results: ginkgo failed to prevent the onset of Alzheimer’s … Continue reading

High Blood Sugar Levels Tied to Brain Shrinkage

Older men and women who have blood sugar levels at the high end of normal appear to have shrinkage of the brain in areas critical for memory, according to a new report. The findings give new weight to concerns that … Continue reading