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Gut Bacteria Metabolism May Contribute To Hypertension

There is growing evidence that certain gut bacteria may contribute to high blood pressure (hypertension), along with smoking, high-sodium diets, and stress. In a few studies, when gut bacteria were killed off with antibiotics, patients with hypertension saw a drop in blood pressure. And when gut bacteria were transplanted from hypertensive people into normal mice, […]

As Testosterone Levels Rise, Adolescent Impatience Increases

Increased testosterone, but not age, is related to increased sensitivity to immediate rewards, whereas increased age, but not testosterone, is related to a reduction in general impatience. This is the finding of a recent study conducted at the Max Planck Institute for Human Development investigating the influence of testosterone on adolescents’ decisions. It is obviously […]

Corticotrophs: Brain Endocrine Cells Affect Behavioral Optimization

Corticotrophs, the cell populations that stimulate the adrenal cortex and produce the stress hormones of the hypothalamic-pituitary-adrenal axis, can rapidly influence avoidance behavior immediately after the onset of a stress situation, a new study shows. The finding may contribute to the development of effective treatments that can facilitate the management of acute stress induced reactions […]

How The Brain Controls Your Appetite By Self Destruction

The mechanisms behind the enzyme that controls our appetite in response to low glucose availability in the brain has been uncovered by researchers at Daegu Gyeongbuk Institute of Science and Technology (DGIST) in Korea. Understanding how our appetite is controlled and influenced by our body and brain is important for countering the worldwide obesity epidemic. […]

AMPK Regulates Hunger Neurons In The Brain

Neurons in the brain that control hunger are regulated by AMPK (5′ AMP-activated protein kinase), a protein activated during fasting, report researchers from Tufts University School of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School. High AMPK activity levels significantly increase the firing of “hunger” neurons known as AgRP neurons, leading to greater […]