Sandra Day O’Connor Says She ‘Probably’ Has Alzheimer’s: What Defines Different Dementias?

Former U.S. Supreme Court Justice Sandra Day O’Connor — the first woman appointed to the U.S. high court — announced that she had been diagnosed with dementia. “Some time ago, doctors diagnosed me with the beginning stages of dementia, probably Alzheimer’s disease,” O’Conner wrote in a public letter dated today (Oct. 23). Alzheimer’s disease is a form…

What Causes Alzheimer’s? We Don’t Really Know Yet

Last week, headlines reverberated across the internet with seemingly groundbreaking news: Scientists had found a cause — and with it, a possible cure — of Alzheimer’s disease. The culprit, the reports said, was the bacterium that causes gum disease. But have scientists really solved one of the 21st century’s biggest medical mysteries? Experts tell Live Science that caution…

A Dose of Anesthesia Could Blunt Traumatic Memories

A dose of anesthesia could take the edge off emotional memories, a new small study suggests. People who were immediately sedated after remembering an emotional story had fuzzier memories of the emotional portions of the story 24 hours later, according to the study, published today (March 20) in the journal Science Advances. Researchers previously disrupted memories…

Alzheimer’s Disease: Brain Changes, Symptoms and Treatment

Alzheimer’s disease is an incurable brain disorder that causes plaques to grow around nerve cells, destroying them.(Image: © Shutterstock) Alzheimer’s disease is a progressive brain disorder that causes problems with memory, thinking and behavior in older adults. The disorder affects an estimated 5.7 million Americans, and is the fifth-leading cause of death in people ages 65 and…

What to know about Alzheimer’s disease

Alzheimer’s disease is a neurological disorder in which the death of brain cells causes memory loss and cognitive decline. It is the most common type of dementia, accounting for 60 to 80 percent of cases of dementia in the United States. In 2013, 6.8 million people in the U.S. had been diagnosed with dementia. Of these, 5 million had a…

Alzheimer’s Disease: Signs, Symptoms, and Stages

Alzheimer’s disease is one of the scariest prospects many of us face as we age. Here’s how to recognize the symptoms and differentiate them from normal signs of aging. What is Alzheimer’s disease? Alzheimer’s disease is the most common form of dementia, a brain disorder that impacts daily living through memory loss and cognitive changes. Although not…

What to know about Alzheimer’s disease

Alzheimer’s disease is a neurological disorder in which the death of brain cells causes memory loss and cognitive decline. It is the most common type of dementia, accounting for 60 to 80 percent of cases of dementia in the United States. In 2013, 6.8 million people in the U.S. had been diagnosed with dementia. Of these, 5 million had a…