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Alzheimer's disease & dementia news

Neuroscience

Alzheimer's disease can be reversed in animal models to achieve full neurological recovery

For over a century, Alzheimer's disease (AD) has been considered irreversible. Consequently, research has focused on disease prevention or slowing, rather than recovery. Despite billions of dollars spent on decades of research, ...

Neuroscience

Brain's 'pulse generators' grow and shrink as memories are formed, study finds

Memories and learning processes are based on changes in the brain's neuronal connections, and as a result, in signal transmission between neurons.

Alzheimer's disease & dementia

Menopause hormone therapy does not appear to impact dementia risk

A major review of prior research has found no evidence that menopause hormone therapy either increases or decreases dementia risk in postmenopausal women, in a new study led by University College London (UCL) researchers.

Neuroscience

Why a mild brain injury can trigger Alzheimer's

New research from the University of Virginia School of Medicine is revealing why traumatic brain injury increases the chance of developing Alzheimer's disease—and the discovery is pointing to a potential strategy to prevent ...

Alzheimer's disease & dementia

Changing cholesterol over time tied to risk of dementia

Older adults whose cholesterol changes over time may be more likely to develop dementia than people whose cholesterol is stable, regardless of the actual cholesterol level, according to a study published in the January 29, ...

Alzheimer's disease & dementia

Oral microbiome may influence dementia development, study suggests

The microbial ecosystems within our mouths may affect our cognitive function as we age, according to a study. Interventions such as prebiotics, including dietary nitrate, have the potential for delaying cognitive decline.

Alzheimer's disease & dementia

Pancreas cells secrete neuroprotective factor, study finds

Pancreas cells may produce a protein that can protect the brain from Alzheimer's disease. In individuals with Alzheimer's disease, a peptide known as amyloid-β accumulates and forms tangled plaques. People with diabetes ...

Alzheimer's disease & dementia

Q&A: Aging and Alzheimer's disease—investigating drug effects

The geroscience hypothesis focuses on extending the healthy lifespan by targeting aging mechanisms. Recent advances in biomarkers for biological aging give rise to tools for measuring aging and assessing treatments. Alzheimer's ...

Alzheimer's disease & dementia

Fluorescent probes illuminate cholesterol and Alzheimer's research

The search for answers to Alzheimer's disease and other neurodegenerative disorders remains one of the most pressing goals in brain research. Maciej J. Stawikowski, Ph.D., an assistant professor of chemistry and biochemistry ...