Tag: "pressure" at biology news
Does the desire to consume alcohol and tobacco come from our genetic makeup?
...obacco use may point to novel mechanisms for blood pressure
modification by these substances.) The volunteers ... area believed to be involved with diastolic blood pressure
(DBP), they found a locus for smoking. on chr 3, in the area identified as being involved wi...
High blood pressure, low energy -- a recipe for heart failure
... 2007 -- Many people with long-standing high blood pressure
develop heart failure. But some don't. Daniel P. K...high pressure. The hearts of normal mice took that pressure
overload in stride and stayed healthy. Those contrasting outcomes suggest that heart health greatly ...
deCODE discovers cause of major subtype of glaucoma
...ote the drainage of fluids from the eye and reduce pressure
on the optic nerve. However, exfoliation glaucoma is often resistant to drug treatment. Little has been understood to date about the pathophysiology of the disease and there are no treatments targeting the underlying causes of the condition....
Penguins march into new park
...line is largely undeveloped, its wildlife is under pressure
from a number of threats, including Argentinas commercial shrimp industry. Many birds become entangled in fishing nets, and oil pollution from tankers transporting petroleum from southern Patagonia to Buenos Aires and from expanding offshore oil dril...
Acute sleep deprivation leads to changes in nighttime urine production for men and women
...two sessions in a randomized sequence. Their blood pressure
and heart rate were recorded every hour using a non-invasive blood pressure
monitor. Electrolytes, osmolarity, creatine and urea were evaluated in plasma and urine. Key blood e...
Study finds gender differences in renal and other genes contributing to blood pressure
...ave been observed in the development of high blood pressure
(hypertension) and heart (cardiovascular) disease....logy and the bodys response to some types of blood pressure
medications. Although gender is usually accounted for in association studies, newer research has fo...
Study suggests estrogen deficiency can lead to obesity-induced high blood pressure after menopause
... females may trigger the development of high blood pressure
and obesity. The results of their study, using an ...ot receive estrogen had significantly higher blood pressure
than the control rats (126.2 versus 110.6 mmHg). The rats receiving estrogen had the lowest blood pr...
Testosterone replacement therapy: How safe for aging men?
... rats were monitored until 13 months of age. Blood pressure
was measured at the end of the experiment via indw...s determined. The researchers found that blood pressure
was significantly higher in testosterone-supplemented male SHR as compared with intact rats, whereas...
Grapes, soy and kudzu blunt some menopausal side effects
...t relatively high risk for memory loss, high blood pressure
(hypertension) and diabetes. A decade ago, the sta...eed supplementation significantly reduced arterial pressure
in the rats fed a high salt diet, compared to controls. The results indicate that grape seed polyphe...
...ucts increases, and demand for biofuels grows, the pressure
on agricultural systems is mounting. The challenge is to figure out how to meet these demands and keep the ecosystem functions that underpin productivity working. So say researchers who will participate in a symposium, Tipping points in the biosphe...
Link identified between Alzheimer's disease and glaucoma
...e disease is traditionally attributed to increased pressure
in the eye (known as "intraocular pressure", and c... of patients continue to lose vision despite their pressure
being well controlled. The new research opens up a new avenue of treatment in glaucoma which does no...
Census of Marine Life historians detail collapse of bluefin tuna population off northern Europe
...ere for a long time in high numbers. High fishing pressure
preceded the species virtual disappearance from the area and apparently played a key role but other factors under study might have compounded the fisherys demise the catch of juvenile tuna in subsequent years, for example. As well, its important to...
Space-borne sensors help Africa tackle water shortage problems
... as water supply and sanitation. "With a lot of pressure
from population growth and urbanisation, the land cover maps will show how demographic variables and pressures will impact natural resources," Nkhoma said. The project focused on the Kafue River Basin, which is a sub-basin of the Zambezi River. Th...
How a pain in the neck could be bad for your blood pressure
...the neck through manipulation can also lower blood pressure
but the reasons were never clear. Now a team le...manipulating the neck region helps to reduce blood pressure
in some people, Prof Deuchars explained. By identifying the pathways we can see why these treatments...
Study points to new way to predict death risk from torn aorta
... blood flow inside the false lumen is slowed down, pressure
increases, and clots begin to form. The study s...at simulates conditions inside the aorta. Blood pressure
within the false lumen, and the properties and responses of the torn aortic wall, may all play a rol...
UK scientists lift lid on genetics of coronary artery disease
...lifestyle, not smoking and if they have high blood pressure
or raised cholesterol levels, to have these treated." Although the researchers know that some of the variants implicated are involved in cell growth and cell division, they are now working to understand exactly how this leads to heart disease. "W...
High blood pressure medication strategy proves effective in Hispanic women
...r to drug regimens aimed at controlling high blood pressure
than non-Hispanic white women, University of Flori... strategies, Hispanic women achieved greater blood pressure
control and were half as likely as white women to suffer adverse outcomes such as heart attack, stro...
CU researchers discover evidence of very recent human adaptation
...pulated the world, there has been strong selective pressure
at the genetic level for fortuitous mutations that allow digestion of a new food source or tolerate infection by a pathogen that the population may not have faced in a previous environment."...
Changing climate will challenge Northeast agriculture, CU expert warns
...in the next few decades, he stressed, is increased pressure
from aggressive, invasive insect, disease and weed pests. Many of the most aggressive weeds, research shows, grow faster with more carbon dioxide in the atmosphere. "On top of this, our study found that, at the higher emissions scenario, weed specie...
Homestake strikes gold again
...ochemistry of organisms that thrive under heat and pressure
conditions which would be deadly to surface dwellers. Carbon sequestration efforts the idea of safely burying global warming gases like carbon dioxide underground should also receive a significant boost. Said Joseph Wang, a scientist with Berkel...
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