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Alzheimer's disease & dementia news

Neuroscience

Indicators of an aging brain: A 20-year study

Johns Hopkins University-led researchers, working with the Biomarkers for Older Controls at Risk for Dementia (BIOCARD) cohort, have found that certain factors are linked to faster brain shrinkage and quicker progression ...

Alzheimer's disease & dementia

Could a pill provide the dementia-fighting benefits of exercise? A study in mice raises the possibility

Could we pack the dementia-fighting benefits of exercise into a pill? An intriguing mouse study conducted by USC scientists suggests it may be possible.

Alzheimer's disease & dementia

New criteria to avoid the over-diagnosis of Alzheimer's disease

Diagnosis of Alzheimer's disease (AD) is currently largely based on the presence of biomarkers. This may lead to a problematic over-diagnosis if this is incorrectly interpreted. To counter this problem, a global expert panel ...

Alzheimer's disease & dementia

Many dementia cases could be prevented, but far from all: Study

Millions of cases of dementia could be prevented or delayed by reducing a range of risk factors such as smoking or air pollution, according to a major new study, though outside experts warn that such measures can only go ...

Alzheimer's disease & dementia

Improving Alzheimer's disease imaging, with fluorescent sensors

Neurotransmitter levels in the brain can indicate brain health and neurodegenerative diseases like Alzheimer's. However, the protective blood-brain barrier (BBB) makes delivering fluorescent sensors that can detect these ...

Alzheimer's disease & dementia

Accuracy of diagnostic blood tests for Alzheimer's disease varies

Neurologists diagnose cognitive impairment with a clinical exam of memory and thinking skills. To determine whether Alzheimer's disease is the cause of the cognitive impairment, evidence of the specific brain changes that ...

Medications

European medicines watchdog rejects new Alzheimer's drug

Europe's medicines watchdog on Friday rejected a marketing request for a new Alzheimer's disease treatment, saying the risks of the medicine's side effects, including potential brain bleeding, outweighed the benefits.

Alzheimer's disease & dementia

New shingles vaccine could reduce risk of dementia

A study of more than 200,000 people by researchers at the University of Oxford found at least a 17% reduction in dementia diagnoses in the six years after the new recombinant shingles vaccination, equating to 164 or more ...