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Blame the brain for high blood pressure

The controversial idea that one cause of high blood pressure lies within the brain, and not the heart or blood vessels, has been put forward by scientists at the University of Bristol, UK.

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1. Memory tasks require more coordinated brain blood flow for people with high blood pressure
   09-27-2007 · EurekAlert!
   Blood flow to the parts of the brain that support memory function differs between people with high blood pressure and those with normal blood pressure, and this difference seems to increase when high blood pressure is treated with medications, researchers reported today at the American Heart Association's 61st Annual Fall Conference of the Council for High Blood Pressure Research.
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2. Metabolic syndrome -- don't blame the belly fat
   07-16-2007 · EurekAlert!
   Abdominal fat, the spare tire that many of us carry, has long been implicated as a primary suspect in causing the metabolic syndrome, a cluster of conditions that includes the most dangerous heart attack risk factors: prediabetes, diabetes, high blood pressure, and changes in cholesterol. But researchers have found that insulin resistance in skeletal muscle leads to alterations in energy storage that set the stage for the metabolic syndrome.
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3. UGA study suggests that lowering blood pressure following stroke may reduce damage
   04-17-2007 · EurekAlert!
   A new University of Georgia study suggests that commonly prescribed drugs used to lower blood pressure may help reduce brain damage when given within 24 hours of a stroke. The finding, based on a study using rats and published in the April issue of the Journal of Hypertension, may ultimately revolutionize emergency stroke care by putting blood pressure-lowering medications alongside clot-busting drugs and blood thinners as front-line medications.
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4. SIDS infants show abnormalities in brain area controlling breathing, heart rate
   10-31-2006 · EurekAlert!
   Infants who die of sudden infant death syndrome have abnormalities in the brainstem, a part of the brain that helps control heart rate, breathing, blood pressure, temperature and arousal, report researchers funded by the National Institutes of Health. The finding is the strongest evidence to date suggesting that innate differences in a specific part of the brain may place some infants at increased risk for SIDS.
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5. A brainy idea 25 years in the making
   10-03-2007 · EurekAlert!
   A discovery made 25 years ago about how the brain controls blood pressure regulation is only now being explored with the help of scientists from the Howard Florey Institute.
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6. Blood pressure drug curbs brain damage from PTSD
   11-06-2007 · EurekAlert!
   A drug used to treat high blood pressure and enlargement of the prostate may protect the brain from damage caused by post-traumatic stress disorder, Alzheimer's disease, depression and schizophrenia. Prazosin, also prescribed as an antipsychotic medication, appears to block the increase of steroid hormones known as glucocorticoids, Portland researchers have found. Elevated levels of glucocorticoids are associated with atrophy in nerve branches where impulses are transmitted, and even nerve cell death, in the hippocampus.
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7. JCI table of contents: July 12, 2007
   07-12-2007 · EurekAlert!
   This release contains summaries, links to PDFs and contact information for the following newsworthy papers to be published online, July 12, 2007, in the JCI, including: "Src inhibitors may prove beneficial in breast cancer therapy"; "The clot thickens: protein interaction is a drug target for blood clot prevention"; "Eap1 in the brain regulates the female reproductive cycle"; and "Which T cell types drive the autoimmune response in multiple sclerosis?"
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8. Study suggests estrogen deficiency can lead to obesity-induced high blood pressure after menopause
   08-08-2007 · EurekAlert!
   At menopause, women lose hormone protection against heart and kidney diseases, and are likely to become obese. A research team has tested the idea that estrogen deficiency in aged females may trigger the development of high blood pressure and obesity. The results of their study, using an animal model, suggest that estrogen depletion can have these effects.
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9. Does being overweight in old age cause memory problems?
   09-19-2007 · EurekAlert!
   While obesity has been shown to contribute to high blood pressure, heart disease and diabetes, being overweight in old age does not lead to memory problems, according to a study published Sept. 19, 2007, in the online edition of Neurology, the medical journal of the American Academy of Neurology.
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10. Insulin's brain impact links drugs and diabetes
    10-16-2007 · EurekAlert!
    Insulin, long known as an important regulator of blood glucose levels, now has a newly appreciated role in brain systems linked to drug addiction and neuropsychiatric disorders, according to a new report by researchers at Vanderbilt University Medical Center.
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