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The overall health of Americans isn't improving much, with about six in 10 people either overweight or obese and large numbers engaging in unhealthy behaviors like smoking, heavy drinking or not exercising.More >> The overall health of Americans isn't improving much, with about six in 10 people either overweight or obese and large numbers engaging in unhealthy behaviors like smoking, heavy drinking or not exercising.More >> When a classmate commits suicide, teens are more likely to consider or attempt suicide themselves, according to a new study. More >> When a classmate commits suicide, teens are more likely to consider or attempt suicide themselves, according to a new study. More >> Pregnant women with specific alterations in two genes may be at increased risk of suffering depression after giving birth, a small new study suggests.More >> Pregnant women with specific alterations in two genes may be at increased risk of suffering depression after giving birth, a small new study suggests.More >> Although spring arrived late this year in parts of the United States, the summer allergy season will still be strong, according to a sinus expert at the University of Alabama at Birmingham.More >> Although spring arrived late this year in parts of the United States, the summer allergy season will still be strong, according to a sinus expert at the University of Alabama at Birmingham.More >> New research suggests the dominant side of your brain may make the call on which ear you choose to use while talking on your cellphone.More >> New research suggests the dominant side of your brain may make the call on which ear you choose to use while talking on your cellphone.More >>
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Over the last decade, the number of American children who die each year awaiting an organ donation dropped by more than half, new research reveals. And increasing numbers of children are receiving donor organs.More >> Over the last decade, the number of American children who die each year awaiting an organ donation dropped by more than half, new research reveals. And increasing numbers of children are receiving donor organs.More >> The overall health of Americans isn't improving much, with about six in 10 people either overweight or obese and large numbers engaging in unhealthy behaviors like smoking, heavy drinking or not exercising.More >> The overall health of Americans isn't improving much, with about six in 10 people either overweight or obese and large numbers engaging in unhealthy behaviors like smoking, heavy drinking or not exercising.More >> The monstrous tornado that devastated Moore, Okla., on Monday, killing dozens of adults and children, is a stunning example of violent weather that can affect a child's mental well-being.More >> The monstrous tornado that devastated Moore, Okla., on Monday, killing dozens of adults and children, is a stunning example of violent weather that can affect a child's mental well-being.More >> When a classmate commits suicide, teens are more likely to consider or attempt suicide themselves, according to a new study. More >> When a classmate commits suicide, teens are more likely to consider or attempt suicide themselves, according to a new study. More >> Urban elementary school children with poorly controlled asthma are likely to experience sleep problems and suffer academically, new research indicates.More >> Urban elementary school children with poorly controlled asthma are likely to experience sleep problems and suffer academically, new research indicates.More >>
Difficulty sleeping during middle age may be a precursor to Alzheimer's disease.
Researchers studied the sleep habits of 100 healthy people between the ages of 45 and 80. Those who woke up more than 5 times per hour were more likely to have a build-up of amyloid plaques in the brain.
Amyloid is a marker of Alzheimer's disease -- and can be found in the brain years before symptoms begin.
-Study led by researchers at Washington University School of Medicine in St. Louis and presented at the American Academy of Neurology's annual meeting in New Orleans
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