Diabetes

Research shows link between high blood sugar levels and Alzheime's disease.

Researchers have uncovered a unique connection between diabetes and Alzheimer's disease, providing further evidence that a disease that robs people of their memories may be affected by elevated blood sugar, according to scientists at Washington University School of Medicine in St. Louis.

While many earlier studies have pointed to diabetes as a possible contributor to Alzheimer's, the new study - in mice - shows that elevated glucose in the blood can rapidly increase levels of amyloid beta, a key component of brain plaques in Alzheimer's patients. The buildup of plaques is thought to be an early driver of the complex set of changes that Alzheimer's causes in the brain. The research is published May 4 in The Journal of Clinical Investigation.

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Loosing weight does not offer cardiovascular benefit in type 2 diabetes patients

An intensive diet and exercise program resulting in weight loss does not reduce cardiovascular events such as heart attack and stroke in people with longstanding type 2 diabetes, according to a study supported by the National Institutes of Health.

The Look AHEAD (Action for Health in Diabetes) study tested whether a lifestyle intervention resulting in weight loss would reduce rates of heart disease, stroke, and cardiovascular-related deaths in overweight and obese people with type 2 diabetes, a group at increased risk for these events.

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Research shows cancer-protective properties of milk

Milk consumption has been linked to improved health, with decreased risks of diabetes, metabolic syndrome, and colon cancer. A group of scientists in Sweden found that lactoferricin4-14 (Lfcin4-14), a milk protein with known health effects, significantly reduces the growth rate of colon cancer cells over time by prolonging the period of the cell cycle before chromosomes are replicated. In a new study, investigators report that treatment with Lfcin4-14 reduced DNA damage in colon cancer cells exposed to ultraviolet (UV) light. Their results are published in the October issue of the Journal of Dairy Science®.

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Less sleep leads to insulin resistance in teenagers

A new study suggests that increasing the amount of sleep that teenagers get could improve their insulin resistance and prevent the future onset of diabetes.

"High levels of insulin resistance can lead to the development of diabetes," said lead author Karen Matthews, PhD, of the University of Pittsburgh Department of Psychiatry. "We found that if teens that normally get six hours of sleep per night get one extra hour of sleep, they would improve insulin resistance by 9 percent."

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Post-menopausal women who have Type 2 diabetes appear to have greater risk of developing breast cancer

An international team, writing in the British Journal of Cancer, examined 40 separate studies looking at the potential link between breast cancer and diabetes.

Being obese or overweight is linked to both conditions.

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Doctors caustion over common diabetes drugs - sulphonylureas

A group of drugs commonly used for diabetes carry an increased risk of heart problems and death when compared with a different type of diabetes drug, researchers have found.

Their study found that people taking drugs called sulphonylureas are more likely to have heart attacks, heart failure or die, compared to people taking another popular diabetes drug called metformin. Doctors should choose metformin when treating people with diabetes, unless they can't take it or it doesn't work for them, say the researchers.

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