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Preview: Alzheimer's / Dementia News From Medical News Today

Alzheimer's / Dementia News From Medical News Today

The word dementia describes a set of symptoms that may include memory loss and difficulties with thinking, problem-solving or language. Dementia is caused when diseases, such as Alzheimer’s disease or a series of strokes, damage the brain. Dementia is p

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Alzheimer's could be diagnosed early with sniff tests

Thu, 17 Aug 2017 08:00:00 PDT

A damaged sense of smell correlates with other biomarkers of Alzheimer's disease, providing hope that smell tests might help diagnose the disease earlier.

New Machine Learning program shows promise for early Alzheimer's diagnosis

Wed, 16 Aug 2017 06:00:00 PDT

A new machine learning program developed by researchers at Case Western Reserve University appears to outperform other methods for diagnosing Alzheimer's disease before symptoms begin to interfere...

Alzheimer's: Low serotonin levels may drive development

Tue, 15 Aug 2017 09:00:00 PDT

A new study examines serotonin transporters and suggests that rather than being an effect of Alzheimer's disease, low serotonin may cause the illness.

Early life physical activity may prevent cognitive decline

Tue, 15 Aug 2017 00:00:00 PDT

A new study in rodents shows how physical exercise in early life creates a cognitive reserve that improves cognition and neuronal activity in later years.

Reaction time variation may be a marker that predicts mortality in old age

Fri, 11 Aug 2017 00:00:00 PDT

A common indicator of neurobiological disturbance among the elderly may also be associated with mortality, according to a study published in the open access journal PLOS ONE by Nicole A.

Making an older brain younger by manipulating a single gene

Thu, 10 Aug 2017 07:00:00 PDT

Researchers have restored brain plasticity in the visual cortex of middle-aged mice to that of a younger state by manipulating a gene called Arc.

A personalized approach to Alzheimer's disease prevention

Thu, 10 Aug 2017 07:00:00 PDT

Alzheimer's disease (AD) is a type of dementia that causes problems with memory, thinking, and behavior. It affects more than 5 million Americans.

Antidepressant use increases risk of head injuries among persons with Alzheimer's disease

Thu, 10 Aug 2017 00:00:00 PDT

Antidepressant use is associated with an increased risk of head injuries and traumatic brain injuries among persons with Alzheimer's disease, according to a new study from the University of Eastern...

Alzheimer's disease: Targeting enzyme may reverse memory loss

Wed, 09 Aug 2017 07:00:00 PDT

Researchers discover how to block the enzyme HDAC2 to reverse memory loss in mouse models of Alzheimer's without disrupting other functions of the enzyme.

Scientists prevent neurodegeneration-associated protein clumping in lab study

Wed, 09 Aug 2017 06:00:00 PDT

Scientists report in a new study that by imitating a natural process of cells, they prevented the formation of protein clumps associated with amyotrophic lateral sclerosis (ALS) and frontotemporal...

Scientists reveal role for lysosome transport in Alzheimer's disease progression

Wed, 09 Aug 2017 00:00:00 PDT

Researchers from Yale University School of Medicine have discovered that defects in the transport of lysosomes within neurons promote the buildup of protein aggregates in the brains of mice with...

Life-extending protein could treat Alzheimer's and Parkinson's

Tue, 08 Aug 2017 09:00:00 PDT

A new study successfully used the protein hormone klotho to improve cognition in mice with Parkinson's and Alzheimer's-like brain toxicity.

Brain activity higher in women than men, study finds

Tue, 08 Aug 2017 08:00:00 PDT

A new study finds that women have higher activity in more regions of the brain than men, a discovery that may explain sex differences in brain disorders.

Action video games decrease gray matter, study finds

Tue, 08 Aug 2017 00:00:00 PDT

Action video games lead to a reduced volume of gray matter in the hippocampus, which can seriously impact brain health, a new study suggests.

Fluctuations in home-monitored blood pressure may raise dementia risk

Tue, 08 Aug 2017 00:00:00 PDT

Whether or not you have high blood pressure, your risk of dementia may be higher if your pressure varies a lot from day to day, according to new research in the American Heart Association's journal...

Heart-healthy middle age tied to lower risk of dementia

Mon, 07 Aug 2017 08:00:00 PDT

Study finds that modifiable vascular risk factors such as diabetes, high blood pressure, and smoking in mid-life are tied to higher risk of dementia later.

Alzheimer's gene plays role in childhood IQ

Sun, 06 Aug 2017 00:00:00 PDT

Gene variation linked to Alzheimer's is also associated with fluid intelligence in children, prompting questions about its role in cognitive functioning.

How can PTSD trigger Alzheimer's disease? Study sheds light

Fri, 04 Aug 2017 08:00:00 PDT

A new study finds a molecular link between early life post-traumatic stress disorder and the risk of Alzheimer's disease in old age.

Researchers help find pathologic hallmarks of Alzheimer's in aged chimpanzee brains

Fri, 04 Aug 2017 00:00:00 PDT

Dementia affects one-third of all people older than 65 years in the United States.

Your brain on autopilot: Alzheimer's disease patients have a larger caudate nucleus

Thu, 03 Aug 2017 00:00:00 PDT

Patients with Alzheimer's disease (AD) have a larger caudate nucleus, a brain area involved in habits and used to navigate in the environment on an autopilot mode, shows for the first time a...

Hospital patients with dementia and other causes of confusion have worse outcomes

Wed, 02 Aug 2017 06:00:00 PDT

Hospital patients with dementia and other causes of confusion have longer stays and worse treatment outcomes than people without the condition, research led by the University of Stirling has found.

Dementia: New substance improves brain function

Tue, 01 Aug 2017 00:00:00 PDT

The protein amyloid beta is believed to be the major cause of Alzheimer's disease.

Is it Alzheimer's disease or another dementia?

Thu, 27 Jul 2017 06:00:00 PDT

New, noninvasive method may help with diagnosis.A new method may help determine whether a person has Alzheimer's disease or frontotemporal dementia, two different types of dementia that often...

How physical exercise prevents dementia

Tue, 25 Jul 2017 00:00:00 PDT

Numerous studies have shown that physical exercise seems beneficial in the prevention of cognitive impairment and dementia in old age.

Alzheimer's: New brain cell loss mechanism uncovered

Mon, 24 Jul 2017 09:00:00 PDT

The discovery could 'spur a new area of Alzheimer's disease research,' say the scientists, who found a new pathway of neuronal loss in the condition.