Tag: "ancestors" at medical news
Low-cost alternative drugs can help patients with problems controlling blood pressure
..., which was important to the survival of our early ancestors
who lived in a salt-poor world, but today there's so much salt in the food we eat that the kidneys end up holding onto too much sodium," said Dr. Pratt. The result, he said, can be high blood pressure also known as hypertension. The kidney retains s...
T cell 'brakes' lost during human evolution
...ective pressure by a microbe that once drove human ancestors
to require a high level of T cell activation. Another possibility is that this phenotype was secondarily acquired, during the adjustment to the human-specific loss of the sialic acid Neu5Gc some three million years ago, and that the phenotype has be...
Immune signals of variations of a single gene linked to more severe Crohn's disease
...d States are Ashkenazi Jews, an ethnic group whose ancestors
are from eastern and central Europe, As Jerome I. Rotter, M.D., first author of the study, director of research and co-director of the Medical Genetics Institute at Cedars-Sinai Medical Center explained, the innate immune system senses micro-organism...
Ultrasound mammography, volcano monitoring for aircraft safety
...rstood. Recent fossil finds show that early human ancestors
(Australopithecines) also possessed such air sacs, greatly increasing the interest in understanding the acoustic function of these mysterious structures, Fitch says. (3pAB1) CHANGING YOUR MIND AT A COCKTAIL PARTY Anyone who has walked into a crowde...
Brain studies reveal the mechanisms of the voluntary control of visual attention
...ce upon a time, it may have helped our prehistoric ancestors
forage for berries while carefully maintaining attention on a distant, hopefully not too hungry, lion."...