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Tag: "theory" at medical news

Anti-allergy vaccine based on 'hygiene hypothesis'

...inst harmless substances like grass pollen. This theory was exploited by a Swiss-based Cytos Biotechnology company to develop an anti-allergy drug that makes the immune system to focus on mycobacteria. This drug called CYT003 – QbG10 activates the immune system to attack potentially larger threats like my...

Ethnic Differences in Healthcare

... sure why the discrepancy in reporting exists. One theory supported by social psychology research is that African American or Latino patients may feel some pressure to defy stereotypes. So, when doctors or nurses ask them about an event for which they are uncertain, they err on the side of caution and reply...

Cause of ‘Down Syndrome’ cannot be pinned down to maternal age aloe

...ed, owing to their advanced age. Well, though the theory is not just a punch in the air, as its medically proven that older women do stand a greater risk in having to give birth to a child afflicted with ‘Down’s Syndrome’. However, recent research has also brought to the fore other factors alsowhich play a...

Longer-Lived Rodents Have Lower Levels of Thyroid Hormone

...dy has found.// The study further strengthens the theory that the faster an animal’s metabolism, the shorter its life, and vice versa, said Mario Pinto, the study’s lead author. The thyroid releases hormones that regulate metabolic rate. “Thyroid hormones are key regulators of metabolism and have been wi...

Risk of Autism doubled with Single Gene Mutation

...at will likely lead to some debate." Thimerosol, theory which linked autism to thimerosol a form of mercury used as a vaccine preservative was rejected by an Institute of Medicine panel of experts. Now the MET gene may reopen investigation into the link between autism and other developmental problems. St...

Human Stem Cells Delay Start of Lou Gehrig’s Disease in Rat

...e with human neural stem cells - cells that can in theory become any type found in the nervous system. As a comparison, the researchers injected rats with dead human stem cells, which would not affect disease progression. Both groups of rats were treated with drugs to prevent transplant rejection. The rat...

Naturally Occurring Enzyme Can Break Down Key Part of Alzheimer's Plaques

...him to formulate a provocative but as yet unproven theory about an old mystery of Alzheimer's disease: why plaques continue to increase in number over time but only grow to a certain size. "Even though everything we know about the fibrils suggests they should constantly grow, plaques reach a mature size a...

Depression Symptoms Less Likely in Kids with Accurate Self-Perceptions

...djustment, according to Kistner. Self-verification theory suggests that people are motivated to maintain their self-perceptions, even if they are negative. Even positive feedback can cause distress if it threatens their view of themselves. Social competence theories center on the idea that children who accu...

Improved memory with mild electric stimulation

...The reasons are still not clear. "One plausible theory is that electrical currents of a particular frequency can make brain cells resonate. This strengthens connections between networks of cells, which are the physical representations of memories in the brain, " said Born. This study was published in t...

High Blood Pressure -A Life Line

...rt attack// might not be completely bad. In fact a theory by Dr. Mihai Gheorghiade of Northwestern University has brought the association of heart attach and high blood to be viewed in new light. Dr. Gheorghiade through his research found that during the time of admission if a patient with heart failure c...

Maternity leave mooted for South African girls

...t grant of 190 rands (25 dollars) per month. The theory linking teen pregnancies to state support has been around for some time, as South Africa's attempt to explain the ongoing high number of teenagers having babies -- despite the legalization of abortion in the late 1990s. It is widely believed, howev...

A Novel Technique That Detects "Cancer Genes" From The Breath Of Smokers

...cer it is," she said. "Surprisingly, although in theory body response could be similar for several cancers, in practice it is very different." TMPRSS2-ERG fusion prostate cancer: an early molecular event associated with invasion. The presence of a gene fusion in prostate tumors is significantly associ...

Anti-Cancer Drug Shows Early Promise in Pulmonary Hypertension

...ning of the pulmonary artery walls. To test this theory they treated rats at high risk for pulmonary hypertension with sorafenib. The researchers studied five groups of rats. One group stayed in normal cages and received no medication. The other four groups spent three weeks in a low-oxygen environment–ab...

Relax! Straight Talk About Back Problems

...upright this muscle is perpetually tensed. This theory however is not completely novel. It is a reflection of a scientific paper presented almost half a century ago, in 1953, which had presented a hypothesis on the same lines. Thereafter ,it could not be proven, and hence was abandoned. MST...

Teen Marijuana Use Does Not Predict Drug, Alcohol Abuse

...eway sequence, or the reverse. While the gateway theory posits that each type of drug is associated with c...s known as the common liability model, an emerging theory that states the likelihood that someone will transition to the use of illegal drugs is determined no...

Creating Memories During Sleep

...te functioning of the human brain,// feel that the theory of consolidation offers the best explanation. This theory postulates that fresh impressions are stored at first as short-term memories in a region of the brai...

Good Sleep Could Make You Slim

...e obese. Other evidence to back up Worthington's theory comes from a series of pioneering studies by the University Libre de Bruxelles and the Department of Medicine at the University of Chicago, Illinois, both of which showed clear links between metabolic changes and sleep deprivation. In the first stu...

Telomerase Expression Linked To Body Mass

...ase and longevity. The great monkey wrench in that theory was the common gray squirrel, which lives an amazing two decades, yet also expresses telomerase in great quantity. Evolution clearly didn't see long life in a squirrel to be an increased risk for cancer. Body mass, however, showed a clear correlati...

Autism: The Brain Digs Its Own Grave

...heir brains. The results corroborate the earlier theory that an overly excited amygdala in young autistic patients may instigate cell death and the part of the brain may actually shrink in size as the patient ages, when autism takes on a more severe form. Researchers wish to study the cells in greater det...

Targeting a Single Gene Could Inhibit Bone Decay and Stimulate Bone Growth

...ting bone formation. “We have finally proven the theory that targeting one gene can do both,” said Choi. “Now that we have demonstrated a new approach that is theoretically attainable, one that combines the best of both worlds, we can go to work on the genes up and down stream from our target gene. If we ...

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