Tag: "hypertension" at biology news

NHLBI study finds improved heart failure survival

... heart failure in both men and women, uncontrolled hypertension is more prominent as a risk factor for the disease in women, while heart attack plays a greater role in men. "Treatment for high blood pressure has improved greatly over the past 50 years and has been shown to dramatically cut the number of new cases...

Is the roller coaster G force threat all spin?

...ases, researchers said that other factors, such as hypertension from the excitement of the being on the ride, should be considered. "The amount of rotational acceleration known to create injury in the white matter of the brain are roughly 18 times higher than the maximum accelerations calculated on the roller coa...

A message from nature to muskrats: 'Dont chill out'

...n heart rate implies muskrats may readily tolerate hypertension during immersion. Conclusions This study documented few behavioural or metabolic changes in dive performance related to hypothermia in adult muskrats. While implying there is no energetic benefit to muskrats diving with a reduced Tb, this find...

Mother (nature) knows best

...simple sunflower seed may hold the key to reducing hypertension and associated loss of cognitive ability, and prev...s hypertension. Before a stroke occurs, prolonged hypertension has been associated with a range of impairments and cognitive ability. Presently, evidence indicates...

Pregnancy hormone induces healthy blood vessels, Magee-Womens Research Institute scientists report

...have significant implications for the treatment of hypertension and other cardiovascular diseases. "This study, which mainly targeted small renal arteries isolated from rats, is consistent with our earlier work showing that relaxin increases renal blood flow and kidney filtration by as much as 40 percent in non-p...

CWRU scientists reveal how magnesium works on ion channels important for regulating blood pressure

... are important in the prevention and management of hypertension or heart failure," said Jianmin Cui, the lead researcher and assistant professor in the department of biomedical engineering at CWRU. "Along with some other groups, we have discovered that when magnesium is applied to calcium-activated potassium chan...

Study identifies hypertension patients who can benefit from the little used diuretic amiloride

...ney Disease and Hypertension (AASK) has shown that hypertension can be successfully treated in this population, le...e, which may help to explain the high incidence of hypertension in African Americans. When Africans were transported to the Americas, they were sailed across an eq...

University of Toronto researchers get to the heart of heart failure

...nd look for the role of ACE 2 in rats that develop hypertension and cardiovascular disease. Using genetically-engineered mice, the researchers found that mice carrying the ACE 1 but not ACE 2 gene developed cardiovascular disease and impaired heart function. It is known that ACE 1 serves an important cardiovascul...

Americans lack knowledge of ocular hypertension

...aucoma. Only 7% of those who were aware of ocular hypertension know that it has no symptoms. Additionally, only 29% of the group at increased risk for ocular hypertension -- those aged 40 and older are aware of the condition or the need for regular screening. "Estimates...

Preeclampsia linked with higher risk of preterm delivery

...mpsia Foundation. The disorder, which is linked to hypertension and affects 3 million women a year worldwide, can be equally devastating for infants. Now, research being presented at the 13th World Congress of the International Society for the Study of Hypertension in Pregnancy by scientists from the Magee-Womens...

Even mild vitamin C deficiency may have negative effect on vascular function

...mpsia Foundation. The disorder, which is linked to hypertension and affects 3 million women a year worldwide, can be equally devastating for infants. Now, research being presented at the 13th World Congress of the International Society for the Study of Hypertension in Pregnancy by scientists from the Magee-Womens...

Preeclampsia linked with higher risk of preterm delivery and later-life vascular disease

...mpsia Foundation. The disorder, which is linked to hypertension and affects 3 million women a year worldwide, can ... increased risk of preterm delivery and later-life hypertension and cardiovascular disease. "Research is closing in on this menace," said James M. Roberts, M.D., pr...

Virginia Tech study documents hypertension association with obesity and heavy alcohol consumption

...y alcohol consumption are strongly associated with hypertension in both men and women over the age of 40, accordin...t or obese, losing weight will reduce your risk of hypertension and provide other health benefits." Hypertension, or high blood pressure, is a serious medical condi...

Ten new candidate genes associated with salt sensitivity and hypertension are identified in rats

New Orleans, LA -- The cause of most hypertension is unknown, thus, there is no cure. Worldwide con...e, only genes causing rare forms of salt-sensitive hypertension have been detected and do not account for the vast majority of cases of salt-sensitive hypertension....

New findings represent the first aerobic capacity QTLs identified in genetic models

... mass, blood pressure, or disease outcomes such as hypertension or diabetes. For example, a recent genomic scan for maximal oxygen consumption (VO2 max) in humans revealed that chromosomal regions linked to VO2 max in the untrained (sedentary) state were different from those linked to VO2 max in response to exer...

A popular Japanese plum, now available in the US, may help prevent the onset of cardiac disease

...nd thereby improve cardiovascular diseases such as hypertension and/or atherosclerosis. The scientific community h...hesis that bainiku-ekisu may be beneficial against hypertension and atherosclerosis by selectively inhibiting growth promoting signals of AngII in the vasculature; ...

New indicators for predicting hypertension in African-American males

New Orleans, LA -- The threat of hypertension is real and deadly. According to the National Cen...cs, 23 percent of Americans ages 20-74 suffer from hypertension (more commonly known as high blood pressure). Some 15,000 die each year from this disorder; more th...

Angry young men prone to premature heart disease

...e other traditional risk factors like diabetes and hypertension became apparent," says Patricia P. Chang, M.D., lead author of the study and a cardiology fellow. "The most important thing angry young men can do is get professional help to manage their tempers, especially since previous studies have shown that th...

Physiology and pathophysiology of obesity

...rancisco Role of leptin in obesity associated hypertension William G. Haynes, University of Iowa College Medicine Mechanisms of cardiovascular lipotoxicity in obesity - Roger Unger, University of Texas Southwestern Medical Center Sympathetic neural activation in human obesity - Kevin P. Davy, Col...

Study links gene to success of a treatment for high blood pressure

... researchers and colleagues found that people with hypertension who have a particular genetic variant were twice a...rrently recommended as first-line drug therapy for hypertension by the U.S. Joint National Committee on the Prevention, Detection, Evaluation and Treatment of High ...

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