Study of two tribes sheds light on role of Western-influenced diet in blood pressure

A South American tribe living in near-total isolation with no Western dietary influences showed no increase in average blood pressure from age one to age 60, according to a study led by researchers at Johns Hopkins Bloomberg School of Public Health. In comparison, a nearby tribe whose diet includes some processed foods and salt did show higher blood pressure into late middle age. Continue reading “Study of two tribes sheds light on role of Western-influenced diet in blood pressure”

Gut hormone and brown fat interact to tell the brain it’s time to stop eating

Researchers from Germany and Finland have shown that so-called “brown fat” interacts with the gut hormone secretin in mice to relay nutritional signals about fullness to the brain during a meal. The study, appearing November 15 in the journal Cell, bolsters our understanding of a long-suspected role of brown adipose tissue (BAT) — a type of body fat known to generate heat when an animal is cold — in the control of food intake. Continue reading “Gut hormone and brown fat interact to tell the brain it’s time to stop eating”

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