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Physiological response may explain why some severely obese patients overeat

PROVIDENCE, RI Don't feel like you are getting full when eating a large meal? New research from The Miriam Hospital suggests that a physiological response may partially explain why severely obese individuals may not feel satisfied after eating and often have difficulty controlling the amount of f...

Key protein may explain the anti-aging and anti-cancer benefits of dietary restriction

A protein that plays a key role in tumor formation, oxygen metabolism and inflammation is involved in a pathway that extends lifespan by dietary restriction. The finding, which appears in the May 22, 2009 edition of the on-line journal PLoS Genetics , provides a new understanding of how dietary ...

Free New Content From BrainPOP Helps Explain Swine Flu to Kids

Leading Producer of Online, Educational Resources Aims to Empower Children With a Better Understanding of the Situation http://www.brainpop.com /health/diseasesinjuriesandconditions/swineflu/ NEW YORK, May 4 /PRNewswire/ -- In response to swine flu-related questions from children...

Gene May Explain Women's Heightened Lupus Risk

Disease-prone mice lacking this factor failed to develop common symptoms, study finds THURSDAY, April 2 (HealthDay News) -- A gene on the X chromosome appears to be linked to lupus and might explain why women are much more likely to develop the disease than men, a new study suggests. ...

Brain Hemorrhage Might Explain Natasha Richardson's Death

Symptoms can take time to progress and cause irreversible damage, doctors say WEDNESDAY, March 18 (HealthDay News) -- In the wake of the sudden and tragic death Wednesday of actress Natasha Richardson, reports that she suffered critical brain damage after a seemingly minor fall on a Ca...

Brain Hemorrhage May Explain Natasha Richardson's Condition

Symptoms can take time to progress and cause real damage, doctors say WEDNESDAY, March 18 (HealthDay News) -- Reports that actress Natasha Richardson may have suffered critical brain damage after a seemingly minor fall on a Canadian ski slope on Tuesday have many people wondering how t...

Space Research May Help Explain Salmonella Illness

HOUSTON, March 11 /PRNewswire-USNewswire/ -- Salmonella bacteria research from two recent NASA space missions discovered key elements of the bacteria's disease-causing potential that hold promise for improving ways to fight food-borne infections on Earth. (Logo: http://www.newscom.com/cgi-b...

Parental Distrust May Explain Lack of Black Children in Clinical Trials

They express more doubt as to safety, transparency of medical research, study finds TUESDAY, Feb. 3 (HealthDay News) -- Black parents are more likely than white parents to distrust medical research, which may explain why black children are frequently underrepresented in studies. So ...

UT Southwestern researchers identify protein that may explain 'healthy' obesity

DALLAS Jan. 29, 2009 Mice whose fat cells were allowed to grow larger than fat cells in normal mice developed "healthy" obesity when fed a high-fat diet, researchers at UT Southwestern Medical Center found in a new study. The fat but healthy mice lacked a protein called collagen VI, which no...

New model system may better explain regulation of body weight

A new mathematical model of the physiological regulation of body weight suggests a potential mechanism underlying the difficulty of losing weight, one that includes aspects of two competing hypotheses of weight regulation. In the January issue of Cell Metabolism , Massachusetts General Hospital ...

Potassium loss from blood pressure drugs may explain higher risk of adult diabetes

Johns Hopkins researchers have discovered that a drop in blood potassium levels caused by diuretics commonly prescribed for high blood pressure could be the reason why people on those drugs are at risk for developing type 2 diabetes. The drugs helpfully accelerate loss of fluids, but also deplete ...

Estrogen May Explain Why Women With Cystic Fibrosis Suffer More

Study found high levels of hormone worsened respiratory disease THURSDAY, Nov. 20 (HealthDay News) -- Higher levels of estrogen during ovulation may explain why women with cystic fibrosis tend to fare worse than men with the respiratory disease, researchers at the University of North C...

'Insight' deficit may explain denial in drug addiction

WASHINGTON, D.C. Drug abusers are often characterized as being in "denial" not recognizing the severity of their disorder. Although "denial" is often considered to be a form of deception, emerging research suggests that it may be due to a specific brain dysfunction similar to that observed in ot...

Cascading effect of even minor early problems may explain serious teen violence

How do minor behavior problems and experiences early in life lead to serious acts of violence in teenagers? A group of researchers has found that the answer may lie in a cascading effect in which early life experiences lead to behaviors and new experiences that lead to yet other experiences th...

Simple brain mechanisms explain arbitrary human visual decisions

St. Louis, Nov. 9, 2007 Mark Twain, a skeptic of the idea of free will, argues in his essay "What Is Man?" that humans do not command their minds or the opinions they form. "You did not form that [opinion]," a speaker identified as "old man" says in the essay. "Your [mental] machinery did it f...

MYH9 gene variations help explain high rate of kidney disease in African-Americans

Several recent studies have suggested that common gene variations may be responsible for much of the elevated risk of kidney disease in African Americans. New research on the MYH9 geneand its implications for the screening and possible prevention of kidney disease in the African American populatio...

Brain's Serotonin May Explain Seasonal Mood Changes

Higher binding potential in winter could clarify why people feel down when sun shines less TUESDAY, Sept. 2 (HealthDay News) -- Fluctuations in the actions of the serotonin transporter, which helps regulate the mood-altering neurotransmitter serotonin, may help explain seasonal affect...

Gene Activity May Explain Deadlier Breast Cancers Among Younger Women

Study finds more than 350 common sets of genes in patients under 45 WEDNESDAY, July 9 (HealthDay News) -- Genetic activity in breast cancer cells from younger patients could explain why tumors tend to more aggressive when they strike at a younger age. "We haven't had a good reason w...

C-Sections Explain Jump in U.S. Preemie Births

Researchers suggest some of these procedures may just be matter of convenience WEDNESDAY, May 28 (HealthDay News) -- Premature births of single babies in the United States have been on the rise in recent years, and a new report finds that Caesarean sections account for nearly all of th...

Mastectomies on the rise and MRI use may explain part of the trend, say Mayo researchers

ROCHESTER, Minn. -- The number of women undergoing mastectomy (total breast removal) for early-stage breast cancer has increased in the last three years at Mayo Clinic in Rochester. The increase follows a steady decline during the prior seven years. Researchers say the reasons for this increase...

Muscle Mass May Not Explain High Creatinine in Black Kidney Patients

Findings challenge belief that racial disparities were result of age, body composition FRIDAY, April 18 (HealthDay News) -- Differences in muscle mass related to younger age or body composition may not explain why black patients with advanced kidney disease have higher levels of creati...

Jefferson scientists' discovery may help explain smoking-pancreatic cancer link

(PHILADELPHIA) If lung cancer and heart disease arent bad enough, cigarette smokers are also at higher risk for developing, among other things, pancreatic cancer. Now, researchers at the Kimmel Cancer Center at Jefferson in Philadelphia have preliminary evidence indicating one possible reason why....

Governor Rendell Writes to Physicians to Explain MCare Fund Assessment Deadline

HARRISBURG, Pa., March 28 /PRNewswire-USNewswire/ -- Governor Edward G. Rendell today released the text of his March 27 letter to physicians, which explains the March 31 deadline for MCare fund assessment payments: Dear Health Care Provider: In December, I wrote informing you that the ...

Study helps explain fundamental process of tumor growth

BOSTON Nearly 80 years ago, scientist Otto Warburg observed that cancer cells perform energy metabolism in a way that is different from normal adult cells. Many decades later, this observation was exploited by clinicians to better visualize tumors using PET (positron emission technology) imaging...

Lack of Brain Protein May Explain 'Rain Man' Abilities

Autistic savants learn some tasks better, but forget faster, study suggests TUESDAY, Feb. 12 (HealthDay News) -- The lack of a particular brain protein may explain the phenomenon of "Rain Man" -- autistic savants who learn some tasks better but also forget faster, say researchers at Ma...

New finding may help explain development of preeclampsia

WINSTON-SALEM, N.C. In a study of pregnant women, those with pregnancy-induced high blood pressure were found to have higher levels of a peptide that raises blood pressure in the pieces of tissue linking mother and fetus, according to researchers at Wake Forest University Baptist Medical Center. ...

Evolutionary phenomenon in mice may explain human infertility

Scientists at the University of Liverpool have found that field mice have evolved a unique way of ensuring faster fertilisation, a phenomenon which could explain some cases of infertility in humans. The team, in collaboration with Charles University, Prague, found that field mice sacrifice som...

Genes May Explain Role of Race in Colon Cancer Risk

Differences in a key piece of DNA seem important, scientists say WEDNESDAY, Nov. 28 (HealthDay News) -- Genes may contribute to disparities in colorectal cancer rates between ethnic and racial groups, a new U.S. review suggests. The research team, led by investigators at the University of Pi...

New research helps explain how tumors go undetected by the body

Scientists studying how immune cells are regulated in healthy individuals, have made a key discovery in understanding why tumours may go undetected by the immune system and remain untreated by the bodys own natural defences. The findings, published online this week (between 19 - 23 November) by th...

Inflammation Can't Explain Depression's Link to Heart Disease

Other factors must be at play to raise women's risk, researchers say THURSDAY, Nov. 15 (HealthDay News) -- Depression is known to hike the risk of cardiovascular disease, but don't put all the blame on any concurrent rise in inflammation. So concludes a study led by Dr. Viola Vaccar...

New telomere discovery could help explain why cancer cells never stop dividing

Lausanne, Switzerland, October 4, 2007 A group working at the Swiss Institute for Experimental Cancer Research (ISREC) in collaboration with the University of Pavia has discovered that telomeres, the repeated DNA-protein complexes at the end of chromosomes that progressively shorten every time a ...

Lower metabolism, eating behavior possibly explain the cause of overweight in narcolepsy

WESTCHESTER, Ill. A lower metabolism, as well as slight changes in eating behavior, could explain the positive energy balance leading to being overweight in narcolepsy, according to a study published in the October 1 issue of the journal SLEEP. The study, authored by Dorothe Chabas, MD, PhD, o...

Research at Rice may help explain aspects of synesthesia

A research team led by Rice University Psychology Professor Tony Ro has published its findings that may help to explain the phenomenon known as synesthesia, in which stimulation of one sensory pathway leads to automatic, involuntary experiences in a second sensory pathway. Ro's paper, Feeling S...

Number of Partners Doesn't Explain Gay HIV Rate

Gay, straight men equally prone to unprotected sex, research shows THURSDAY, Sept. 13 (HealthDay News) -- The HIV epidemic among gay men can't be explained by their number of sexual partners, U.S. researchers report. More than half the new HIV infections diagnosed in the United Stat...

Scientists explain how insulin secreting cells maintain their glucose sensitivity

Scientists at the leading Swedish medical university Karolinska Institutet have now disclosed the mystery how the insulin-secreting cells maintain an appropriate number of ATP sensing ion channel proteins on their surface. This mechanism, which is described in the latest number of Cell Metabolism,...

New study may explain Vioxx side-effects

Vioxx and related pain medications were taken off the market in 2004 because they caused dangerous heart problems in some people. A group of scientists, led by Timothy Hla at the University of Connecticut, may now have figured out how these drugs trigger these life-threatening side-effects. The ne...

Conventional prognostic factors fail to explain better prostate cancer survival in most Asian men

Prognostic factors commonly used by clinicians to assess men with prostate cancer do not adequately predict survival outcomes in Asian men living in America, according to the first comprehensive ethnic analysis of Asian-American men with prostate cancer. Published in the September 15, 2007 issue ...

Ancient Viral Defense may Explain Susceptibility to HIV: Study

A gene that protected man from an ancient retrovirus that infected chimps and other primates millions of years ago may be one reason why our species is susceptible to HIV, said a study released Thursday. The gene appears to have been instrumental in protecting man against a four-million-year-old v...

Lack of Sun Does Not Explain Low Vitamin D in Elderly Who are Overweight

Its not yet clear why overweight elderly adults have low levels of vitamin D in their blood. However, researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (USDA HNRCA) have found that lack of sun exposure may not account for low levels of vitamin D in eld...

Genetic Mechanism Helps Explain Chronic Pain Disorders

Researchers at the University of North Carolina at Chapel Hill have discovered that commonly occurring variations// of a gene trigger a domino effect in chronic pain disorders. The finding might lead to more effective treatments for temporomandibular joint disorder (TMJD) and other chronic pain con...
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