Tag: "loses" at medical news

Heat-related deaths in middle, high school football players spikes in 2006

...atures rise to 103 or 104, the brains hypothalamus loses its ability to regulate the heat. The heart beats faster to increase blood flow to the skin to aid in evaporation, leaving less blood in the heart and other muscles. Brain death begins around 106 degrees, but death from heat stroke can be gradual, ta...

Topical retinol helps reduce wrinkles associated with natural skin aging

...In intrinsic, natural or chronological aging, skin loses its youthful appearance by becoming thinner, laxer and more finely wrinkled. These changes are readily appreciated by inspecting the upper inner arm." Thinner skin results from a reduced production of the protein collagen and may slow wound healing, ...

High-resolution imaging with contrast agent shows promise in osteoarthritis research

...arts of the cartilage. Because degrading cartilage loses PGs over time, researchers could monitor the progression of tissue changes. In addition, differences in the X-ray signal of cartilage and bone allowed researchers to isolate the cartilage layer on a rabbit joint and determine its thickness, indicatin...

New study weighs benefits of exercise, diets

... those who exercised. "In addition, once a person loses weight, his or her muscles don't have to work as hard at everyday movements, such as rising from a chair, walking up steps or getting out of a car," Weiss says. "Because they're carrying a lighter load, less demand is placed on them." The muscles d...

Award winning research offers hope for back pain sufferers

...ime in their lives and it is estimated UK industry loses billions of pounds as a result. Employing an engineering process known as electro spinning, Rachael produced a series of 'bioresorbable' polymer scaffolds, which can be surgically implanted to hold tissue together, helping cells repair and re-grow...

Clinical trial shows islet transplantation is a promising procedure

... diabetes--an autoimmune disease in which the body loses its ability to make insulin due to destruction of islets. Islets are clusters of cells in the pancreas that produce insulin, a hormone the body requires to use glucose (sugar) as a source of energy. This is different from the more common Type 2 diabe...

Exercise improves quality of life for patients with severe chronic pulmonary hypertension

... prognosis because the heart's upper right chamber loses its ability to pump blood to the lungs. According to researchers, although treatment of PH is advancing, adverse effects occur with the medications that treat it. Most patients continue to have symptoms, reduced physical abilities and reduced qualit...

Insufficient sleep associated with poorer blood glucose control in African Americans with diabetes

...d that type 2 diabetes--which occurs when the body loses the ability to respond to the insulin that converts glucose into energy--may contribute to sleep problems. Kristen L. Knutson, Ph.D., of the University of Chicago, and colleagues conducted a study of 161 African-Americans with type 2 diabetes, inclu...

Hormone-replacement therapy hurts hearing, study finds

...of the inner ear but also from an aging brain that loses its ability to process and filter information as the years go by. As in most people with age-related hearing loss, the team, whose work is supported by the National Institute on Aging and the National Institute on Deafness and Other Communication Dis...

Older blood associated with worse outcomes after repeat heart surgery

...d. It is known, for example, that transfused blood loses oxygen-carrying ability over time. Transfused blood also may stimulate an immune response in its recipient and red blood cells become stiffer over time, which could affect their ability to fit into or move through capillaries and deliver oxygen, he a...

Researcher develops better way to detect shock

...reatening condition that can occur after a patient loses a lot of blood. To detect shock, medical providers currently depend on the tried, true and inadequate markers of blood pressure and heart rate. Soller is a spectroscopist, a scientist who studies the interaction between light and matter. Her device ...

Drug attacks prostate cancer in mouse model by destroying its blood supply

...ontline therapy for prostate cancer but eventually loses its effect as resistant tumor cells proliferate. Gleevec, developed by Novartis Pharmaceuticals Corporation, is used to treat chronic myelogenous leukemia and gastrointestinal stromal tumors. Cancer cells are biologically diverse and genetically u...

H5N1 threat puts human flu back in spotlight

...s specific for one variant of the virus even if it loses some effectiveness when a somewhat different variant arises due to mutation," Thomas added....

There's more than meets the eye to catching a fly ball in the outfield

...ll to within about five feet; a not-so-good hitter loses eye contact at about 10 feet," he says. And if you ever wonder why a good hitter lets a perfectly good pitch go by without swinging, he may be trying to calibrate its track. "The batter purposely leaves eye contact mid-way through a pitch and makes a...

ACE inhibitors may reduce death, heart attack and stroke in patients with coronary artery disease

...gestive heart failure, which occurs when the heart loses its ability to pump blood efficiently, if that patient also has problems with the left ventricle, the lower left chamber of the heart. However, studies on the use of ACE inhibitors in patients with coronary artery disease but without heart failure o...

Stem cell treatment succeeds in spinal cord-injured rats

...ts signals from the brain. An injured spinal cord loses its ability to regenerate myelin-forming cells, leading to paralysis. Fehlings showed that where stem cells restored myelin in the injured spine, rats showed some recovery and walked with more coordination. One new aspect demonstrated by the study is...

Reduced insulin in the brain triggers Alzheimer's degeneration

...nset of Alzheimer's, probably because as the brain loses insulin, the cells that require insulin to function and survive also eventually die. The consequences are increased oxidative stress, brain deterioration, loss of cognitive function, and a buildup of plaques and tangles in the brain all hallmarks of...

Radar altimetry confirms global warming is affecting polar glaciers

...billion tonnes of water annually, while Antarctica loses about 31 billion tonnes per year. The study found that Antarctica lost much more ice to the sea than it gained from snowfall, resulting in an increase in sea level, while the Greenland ice sheet gained more ice from snowfall at high altitudes than i...

Measuring artery repair cells could become new heart disease test

...rosclerosis --the disease progresses as the body's loses its intrinsic ability to repair and rejuvenate itself. Current methods for measuring EPCs which can represent as few as one out of 10,000 cells in a given blood sample are subjective and time-consuming, the researchers said. As an indicator of EPC ...

Doctors develop new measures for bone disease

...l for an X-ray. They also found that if a patient loses two centimeters or more over a period of one to three years then there is a greater than 40 per cent chance that a vertebral fracture is the cause of the height loss, and an X-ray to check should be prescribed. "Of course these numbers may be modifie...

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