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Alzheimer’s

Experts call for diagnosing Alzheimer’s by brain changes, not symptoms

TAMPA, US: In an effort to speed research toward a cure for the most common form of dementia, experts urged a new framework Tuesday to diagnose Alzheimer's disease using biological clues, rather than symptoms of memory loss. Alzheimer's affects some 44 million people around the world, but remains poorly understood, with no effective treatments despite billions of dollars spent on research. Clinical trials have stumbled, with recent research showing that up to 30 percent of participants trying experimental drugs did not…

Aerobic exercise slows cognitive decline in Alzheimer’s disease

WASHINGTON: Cardiovascular exercise training may help slow the decline in brain function seen in Alzheimer’s patients, a new review of past research suggests. Researchers assessed data from 19 studies conducted between 2002 and 2015 that examined the effects of exercise on cognitive ability in 1,145 people at risk of or diagnosed with Alzheimer’s disease. Nearly 90 percent were randomized controlled trials, which are the most reliable type of study. Most participants were female (71%); the average age was 77. Just over…

Potential blood test for Alzheimer’s shows early promise

TOKYO:  Researchers in Japan and Australia say they have made important progress in developing a blood test that could in future help doctors detect who might go on to get Alzheimer’s disease. In a study published in the journal Nature, the scientists said the test, which can detect a toxic protein known as amyloid beta, linked to Alzheimer‘s, was more than 90 percent accurate in research involving around 370 people. Dementia, of which Alzheimer’s is the most common form, affects close to 50 million people worldwide…

Bill Gates makes $100 million personal investment to fight Alzheimer’s

LONDON: Billionaire Microsoft co-founder Bill Gates is to invest $50 million in the Dementia Discovery Fund, a venture capital fund that brings together industry and government to seek treatments for the brain-wasting disease. The investment - a personal one and not part of Gates’ philanthropic Bill & Melinda Gates Foundation - will be followed by another $50 million in start-up ventures working in Alzheimer’s research, Gates said. With rapidly rising numbers of people suffering from Alzheimer’s and other forms of…

Scientists launch virtual reality game to detect Alzheimer’s

LONDON: Sea Quest Hero is more than just the usual computer game in which players find their way through mazes, shoot and chase creatures -- it also doubles as scientists' latest tool for studying Alzheimer's disease. The game -- downloadable from Tuesday in its virtual reality version -- seeks to stimulate players' brains through a series of tasks based on memory and orientation skills, while gathering data to research dementia. One of the first symptoms of Alzheimer's is loss of navigational skills. But data…

New study says 9 lifestyle changes can cut dementia risk

PARIS: One third of dementia cases can be prevented with some basic lifestyle changes and better education during childhood, a study published in The Lancet said Thursday. Nearly 50 million people around the world suffer from dementia and Alzheimer's according to the latest estimates. This figure could balloon to 132 million by 2050. The nine factors which damage the brain notably include hearing loss, obesity and smoking, the study found. "Our results suggest that around 35 percent of dementia is attributable to a…