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Alzheimer's Disease

Alzheimer's disease, the most common type of dementia, damages parts of the brain involved in memory, intelligence, judgment, language, and behavior. Almost half of people afflicted with Alzheimer's are between 75 and 85, although a rare, inherited form of the disease can affect people in their 40s. While the loss of cognitive ability is irreversible, the rate of disease progression varies by individual.

Alzheimer's Disease News

  • Is Tau the ‘How’ Behind Alzheimer’s?

    By Dennis ThompsonHealthDay Reporter FRIDAY, Oct. 31, 2014 (HealthDay News) — Malfunction of a key brain protein called tau is the likely culprit behind Alzheimer’s disease and other forms of dementia, a new study in mice concludes. Neurons — highly specialized nerve cells in the brain — appear to die when tau malfunctions and fails to clear [...]

  • ‘Informal Care’ for Older Americans Tops $500B Annually, Study Finds

    THURSDAY, Oct. 30, 2014 (HealthDay News) — Each year, people across the United States spend an estimated 30 billion hours caring for older relatives and friends, which costs $522 billion, according to new research. A RAND Corp. study put a price tag on the time and wages that caregivers give up every year to help older [...]

  • Brain Injuries in Older Age Could Boost Dementia Risk, Study Finds

    By Randy DotingaHealthDay Reporter MONDAY, Oct. 27, 2014 (HealthDay News) — A mild concussion after age 65 might boost your risk of developing dementia, a new study suggests. Head injuries seem to pose special hazards for seniors compared to those in upper middle age, the researchers said. “This was surprising and suggests that the older brain may [...]

  • The Truth About That Study on Chocolate and Memory

    A lab-created cocoa drink appears to improve normal age-related memory loss, a small study suggests.

  • Studies Link Cold Sore Virus to Alzheimer’s Risk

    By Steven ReinbergHealthDay Reporter FRIDAY, Oct. 24, 2014 (HealthDay News) — The virus that causes common cold sores — herpes simplex — might increase the risk of Alzheimer’s disease, two studies by Swedish researchers suggest. In fact, being a carrier of certain antibodies to the virus can double the risk of Alzheimer’s disease, the researchers found. “The [...]

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