Tag: "triggers" at medical news
It's winning, not losing, that triggers violence at sports events
...is winning, not losing, major sporting events that triggers
the risk of violence, suggests research in Injury Prevention . The researchers base their findings on the numbers of people requiring emergency medical treatment for assault at the time of international rugby and football matches in one capital city...
Acupuncture found to lower elevations in blood pressure
...s on the wrist, inside of the forearm or leg, this triggers
the release of opioid chemicals in the brain that reduce excitatory responses in the cardiovascular system. This decreases the heart's activity and its need for oxygen, which in turn can lower blood pressure, and promotes healing for a number of card...
Novel therapy tested in mice could chase away cat allergies
...as a control. Then they added the cat protein that triggers
allergic reactions to all the blood cell cultures. "We measured more than 90 percent less histamine in the cultures with GFD," says Dr. Saxon. "Those results suggested that GFD successfully prevented the immune cells from reacting to cat allergen. T...
Hopkins begins human trials with donor adult stem cells to repair muscle damaged from heart attack
...ignals released by the heart after an infarct that triggers
a repair response from the bone marrow. Related clinical research under way in China also uses adult stem cells, but they come directly from the patient, and no universal donor is used as in the Hopkins study. It remains unclear from earlier animal...
Specific test key to determine whether or not allergy symptoms are really allergy-related
...s an antibody that helps fight off toxins and also triggers
allergic reactions. "Part of the reason that the majority of family physicians don't use the IgE test is that managed care guidelines generally don't call for this kind of test," Szeinbach said. "It needs to become a standard procedure for family doc...
Extreme exertion, emotion can spark repeat heart attacks
...oe of University College London point out that the triggers
for heart attacks may be quite different from the ...bserve. Furthermore, they note, "It is likely that triggers
are more potent when acting in combination or when they are present at particular times of day." Nev...
Chronic fatigue patients show lower response to placebos
...reavement or problems at work, combined with other triggers
such as common viral infections, contribute to the disorder. Additional factors, such as avoidance of physical activity, may cause the symptoms to become chronic, says Cho. The authors propose several possible explanations for the surprisingly low pl...
Use of inhaled corticosteroid led to fewer hospitalizations for young children with asthma
...steroids. For more information on the symptoms and triggers
of asthma, as well as potential treatment options,...iated with exercise; and chest tightness. Asthma triggers
range from smoke, airborne molds, pollens, dust, animal dander, exercise, cold air, many household a...
Emotional memory study reveals evidence for a self-reinforcing loop
...ory loop" -- in which the brain's emotional center triggers
the memory center, which in turn further enhances activity in the emotional center. The researchers said their findings suggest why people subject to traumatic events may be trapped in a cycle of emotion and recall that aggravates post-traumatic stre...
CK2 protein sustains colon cancer cells by sabotaging ability to commit suicide
...s of another protein called TRAIL. Normally, TRAIL triggers
apoptosis (cell suicide) in the cancer cells as a ...rane. After DISC forms, an enzyme called caspase-8 triggers
the cascade of biochemical events outside DISC that eventually leads to cell death. By desensitizing...
Promise of 'bladder pacemaker' for people with spinal cord injury
...me that stimulating a specific nerve in the pelvis triggers
the process that causes urine to begin flowing out from the bladder, refuting conventional thinking that "bladder emptying" requires signals from the brain. Their research, carried out with animals, could lead to a "bladder pacemaker" to restore blad...
Early seizures after epilepsy surgery predict more seizures
...owing surgery -- in the absence of surgery-related triggers
such as trauma or swelling -- were eight times mor... among the patients with evidence of these seizure triggers
there was a three-fold increase in the likelihood of continuing epilepsy. Given that surgery is only...
Study shows drugs such as Vioxx and Celebrex were widely over-used long before recent problems
...pirin." Ordinary aspirin blocks both COX-2, which triggers
inflammation, as well as COX-1, which protects the stomach lining and helps to decrease the risk of GI bleeds and stomach ulcers. These newer and far more expensive drugs were designed to target only COX-2 and to be used to treat patients with chron...
JCI table of contents, January 20 2005
... known as RANKL. However our understanding of what triggers
RANKL expression and its full effects on the osteoclast remains limited. Steven Teitelbaum and colleagues from Washington University now demonstrate, in mice, that tumor necrosis factor (TNF) induces bone marrow stromal cells to produce RANKL via an ...
Mice with depression-like behaviors reveal possible source of human depression
... to understanding depression has been finding what triggers
its onset," says Maureen Boyle, predoctoral fellow and first author of the report. "We felt it was important to look at elements that regulate the body's stress system." In response to stress, the brain signals the adrenal gland to release hormones, ...
Discovery of key protein's shape could lead to improved bacterial pneumonia vaccine
...er pieces of it can be used to make a vaccine that triggers
production of antibodies against the CbpA. Since all the S. pneumoniae strains need CbpA to invade the bloodstream, we can widen the protection of a vaccine to all 90 types of pneumococcus by just adding CbpA, or a piece of CbpA." The discovery of t...
Anger, negative emotions may trigger stroke
...L, Minn. Anger and other negative emotions may be triggers
for ischemic stroke, according to a study publishe.... "These findings may help us understand how these triggers
result in stroke. We can also investigate whether people at a high risk of stroke can make behavior ...
Sleep loss boosts appetite, may encourage weight gain
...d a 28 percent increase in ghrelin, a hormone that triggers
hunger. The study volunteers, all healthy young men, reported a 24 percent increase in appetite, with a surge in desire for sweets, such as candy and cookies, salty foods such as chips and nuts, and starchy foods such as bread and pasta. "This is t...
Herpes virus offers new hope in curing cancer
...r cells, in part, by activating the mechanism that triggers
the destruction of cells from within, or cell suicide. "We have begun to unravel the mechanisms of how the cells are killed, so now, we can hopefully improve upon this mechanism in subsequent studies," Dr. Cripe said. Dr. Cripe and colleagues initia...
Disoriented T cells cause liver disease
...o the liver, although the authors do not know what triggers
liver cells to make the attractant in the first place. T cells can survive as memory cells for many years after they are activated, and the authors believe this may explain how the liver disease can crop up years after IBD has resolved....
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