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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

Modulating the brain's immune system may curb damage in Alzheimer's

New research suggests that calming the brain's immune cells might prevent or lessen the damaging inflammation seen in Alzheimer's disease. The study points to the key role of the hormone and neurotransmitter norepinephrine, ...

Alzheimer's disease & dementia

Five reasons why young-onset dementia is often missed

Around 57 million people worldwide have dementia. While most cases of dementia are diagnosed in older adults, about 7% of cases occur in people under 65. This number may be even higher as young-onset dementia continues to ...

Medications

EU approves sale of new Alzheimer's drug, with conditions

The European Commission said Wednesday that it had given formal approval for Leqembi, a long-awaited new treatment for early-stage Alzheimer's disease, to be sold in the EU under strict conditions.

Alzheimer's disease & dementia

Menopause at an early age can exacerbate cognitive decline

A team of researchers from the Tohoku University Graduate School of Medicine and Tokyo Metropolitan Institute of Medical Science found that women who entered menopause before the age of 40 had worse cognitive outcomes than ...

Alzheimer's disease & dementia

Hospital visits for cannabis use linked to higher dementia risk

Individuals with an emergency department (ED) visit or hospitalization due to cannabis were at 23% and 72% greater risk of a new dementia diagnosis within five years compared to individuals with an ED visit or hospitalization ...

Alzheimer's disease & dementia

Technology use by older adults linked to reduced dementia risk

As the first generation that interacted with digital technology reaches an age where dementia risks emerge, scientists have asked the question: Is there a correlation between digital technology use and an increased risk of ...

Alzheimer's disease & dementia

Being married linked to increased risk of dementia—new study

Would you believe me if I told you that staying single or ending your marriage could lower your odds of getting dementia? A new study led by researchers at Florida State University somewhat shockingly suggests that unmarried ...

Health

How savvy habits may help head off dementia

From slurping daily spoonfuls of fish oil to giving up alcohol, lifting weights and playing word games, older Americans think just about anything that might keep their brains sharp is worth a try.