Published February 15, 2017

Diabetics have an increased risk for dementia because of insulin signaling dysfunction. However, sex hormones may play a role as well, particularly since women are at greater risk of developing Alzheimer’s. To investigate this, they examined changes in estrogen, insulin, oxidative stress, and markers of Alzheimer’s in male and female middle-aged rats, some of which had type-2 diabetes and some of which served as controls. They found a number of differences between the male and female rats as well as those with and without type-2 diabetes. This indicates that treatment approaches should be different for each group.

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Published February 13, 2017

Researchers recently published a review article on melatonin and cardiovascular disease. The article points out that studies show that patients with high blood pressure have low levels of melatonin. Still other studies show that melatonin lowers blood pressure.

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Published February 10, 2017

Mice that receive gut bacteria transplants from overweight humans are known to gain more weight than mice transplanted with gut bacteria from normal weight subjects, even when the mice eat the same diet.

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