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May 26, 2008, 8:35 PM CT

Many patients have poor knowledge of heart attack symptoms

Many patients have poor knowledge of heart attack symptoms
Nearly half of patients with a history of heart disease have poor knowledge about the symptoms of a heart attack and do not perceive themselves to have an elevated cardiovascular risk, as per a report in the May 26 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Individuals with heart disease have five to seven times the risk of having a heart attack or dying as the general population, as per background information in the article. Survival rates improve following heart attack if therapy begins within one hour. However, most patients are admitted to the hospital 2.5 to three hours after symptoms begin. Barriers to seeking appropriate care quickly are both cognitive and emotional, the authors write. If patients do not know the symptoms of acute myocardial infarction (heart attack) and other acute coronary syndromesincluding nausea and pain in the jaw, chest or left armthey will not seek therapy for them. If they do not perceive themselves to be at risk for heart attack, they will look for another explanation when they experience these symptoms.

Kathleen Dracup, D.N.Sc., of the University of California, San Francisco, School of Nursing, and his colleagues surveyed 3,522 patients (average age 67) who had a history of heart attack or an invasive procedure for treating narrowed arteries. The patients were asked to identify possible symptoms of heart attack and responded to true-false questions about heart disease. Participants also were asked whether they were more or less likely than other individuals their age to have a heart attack in the next five years.........

Posted by: Daniel      Read more         Source


May 26, 2008, 8:33 PM CT

Many men with low testosterone

Many men with low testosterone
The majority of men with androgen deficiency may not be receiving treatment despite having sufficient access to care, according to a report in the May 26 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Androgen deficiency in men means the body has lower than normal amounts of male hormones, including testosterone, according to background information in the article. Although prescriptions for testosterone therapy for aging men have increased in recent years, treatment patterns for androgen deficiency are not clearly understood in community-dwelling U.S. males.

Susan A. Hall, Ph.D., of New England Research Institutes, Watertown, Mass., and colleagues examined data collected from 1,486 Boston-area men (average age 46.4) from April 2002 to June 2005 to estimate the number of men receiving treatment for androgen deficiency, to explain how treated and untreated men varied in seeking care and to understand potential barriers to health care. Specific symptoms of androgen deficiency include low libido, erectile dysfunction and osteoporosis and less-specific symptoms include sleep disturbance, depressed mood and tiredness.

A total of 97 men met the criteria for having androgen deficiency. Eighty-six men were symptomatic and untreated, and 11 were prescribed testosterone treatment. Men were using the following: testosterone gel (n=1), testosterone patch (n=3), testosterone cream (n=1), testosterone cypionate [an injectable form of testosterone] (n=1) or unspecified formulations of testosterone (n=5), the authors write. All of the unspecified forms of testosterone used were self-reported as administered in intervals defined in weeks, which suggests that these were injectable formulations.........

Posted by: Janet      Read more         Source


May 26, 2008, 8:05 PM CT

Natural compounds in cocoa and type 2 diabetes

 Natural compounds in cocoa and type 2 diabetes
Cocoa
Researchers have observed that consuming cocoa flavanols naturally occurring compounds in cocoa may offer a benefit to those affected by type-2 diabetes.

Consuming a cocoa flavanol-rich beverage daily may have the potential to positively impact the blood vessel dysfunction linked to diabetes, suggests a first-of-its-kind study recently reported in the Journal of the American College of Cardiology by an international group of scientists. Study participants who regularly consumed a cocoa flavanol-rich beverage made using the Mars, Incorporated Cocoapro process experienced a 30 percent improvement in measured vessel function at the completion of a 30-day trial.

Poor blood vessel function is recognized as an early stage in the development process of cardiovascular diseases such as atherosclerosis. For more than 20 million Americans living with diabetes, these vascular impairments can eventually lead to heart disease and stroke, the cause of death for two-thirds of those who suffer from diabetes. Despite good diabetes control and medical therapy, adults with the disease often continue to experience vascular dysfunction. This has led researchers on a search for novel medical or nutritional options to improve the health and quality of life for people with diabetes.........

Posted by: JoAnn      Read more         Source


May 26, 2008, 7:58 PM CT

Flat carbonated drinks not an effective alternative

Flat carbonated drinks not an effective alternative
Flat carbonated drinks should not be used as an alternative for oral rehydration solution to prevent dehydration in children with acute vomiting and diarrhoea, as per advice reported in the recent issue of Archives of Disease in Childhood.

Oral rehydration solution is a liquid containing the ideal balance of salts and sugars for avoiding dehydration in people with gastroenteritis who are losing fluids, salts and sugars through diarrhoea and vomiting.

It is usually believed that flat carbonated drinks are an effective alternative to these solutions, especially for children who dont like their taste. However, scientists at the childrens emergency department at Watford General Hospital were unable to find any published trials to back this up, so they looked for information about the contents of different types of liquids and compared them.

Carbonated drinks were found to contain too much sugar and not enough salts.

Current World Health Organisation recommendations are for oral rehydration solution to contain 75mmol/l of sodium and the same amount of glucose. Published biochemical analyses show carbonated drinks have much lower levels of sodium (1.09.9 mmol/l) and potassium (00.3 mmol/l), but much higher levels of glucose, with branded cola having 550mol/l of glucose (more than seven times the recommended amount).........

Posted by: Janet      Read more         Source


May 26, 2008, 7:56 PM CT

Increased screening for those at higher risk for heart disease

Increased screening for those at higher risk for heart disease
Adding noninvasive imaging to current risk-assessment protocols may identify more people at risk of developing heart disease, UT Southwestern Medical Center scientists have found.

Scientists used data from the UT Southwestern-led Dallas Heart Study to determine whether using computed tomography (CT) to scan patients hearts for calcium deposits and blockages could identify more people at high risk for heart disease and who could benefit from cholesterol-lowering treatment.

The recommendations by the Screening for Heart Attack Prevention and Education (SHAPE) task force are a proposed update to the current guidelines, were updated by the National Cholesterol Education Program Adult Treatment Panel III (NCEP-ATP III) in 2004.

In findings published in todays edition of Archives of Internal Medicine, scientists observed that the additional imaging proposed by the SHAPE task force did indeed increase the number of patients classified at high risk.

We added imaging of coronary artery calcium, as recommended by the SHAPE task force, to determine if this strategy would augment current risk assessment, said Dr. Jason Lindsey, an author of the paper and cardiology fellow at UT Southwestern.

The efficiency of calcium screening as per the SHAPE recommendations was determined by the number of people who had to be scanned before a single participant was reclassified as either meeting or not meeting individual cholesterol goals.........

Posted by: Daniel      Read more         Source


May 26, 2008, 7:54 PM CT

Common gene disorder doubles risk of lung cancer

Common gene disorder doubles risk of lung cancer
Mayo Clinic scientists have observed that carrying a common genetic disorder doubles the risk of developing lung cancer in smokers and nonsmokers.

The study is reported in the May 26 issue of the Archives of Internal Medicine, a journal published by the American Medical Association.

Scientists observed that the genetic disorder, alpha-1 antitrypsin deficiency (1ATD), could explain up to about 12 percent of patients with lung cancer in this study and likely represents the same widespread risk in the general population. "This is a seriously underdiagnosed disorder and suggests that people who have lung cancer and chronic obstructive pulmonary diseases (COPD) in their families should be screened for these gene carriers," says Ping Yang, M.D., Ph.D., a Mayo Clinic epidemiologist and lead investigator on the study.

The current standard diagnostic test measures protein produced by the gene. Because of the cost and limited availability of the test, it's not suitable for general screenings. A less expensive DNA-based gene panel test is being developed.

The World Health Organization estimates that at least 10 million Americans and 120 million people worldwide are 1ATD carriers. As per Dr. Yang, this study shows that the disorder "is among the highest for major gene effects on the risk of a common cancer."........

Posted by: Scott      Read more         Source


May 22, 2008, 10:26 PM CT

High-school girls who consider themselves attractive

High-school girls who consider themselves attractive
University of Alberta Educational Psychology PhD student Lindsey Leenaars has completed a study that assessed what types of high school students are being indirectly victimized. This includes being involved in emotionally damaging scenarios such as receiving hurtful anonymous notes, being socially excluded, or having rumours spread about them, including threats of physical harm.

Leenaars analyzed data that was collected in Ontario in 2003. More than 2,300 students aged 1218 filled out an anonymous questionnaire asking them questions, including how they rate their attractiveness, their sexual activity, their friendships and school social problems.

Leenaars found the females who viewed themselves as attractive had a 35 per cent increased chance of being indirectly victimized. On the other hand, for males who perceived themselves as good looking, their risk of being bullied decreased by 25 per cent. Leenaars also found older teens (aged 1618) were at a 35 per cent increased risk of being victimized if they were sexually active.

Leenaars says this information could be used to raise awareness amongst parents, teachers and counselors. She adds it would also be helpful when schools are working on a variety of anti-bullying programs to include all students, not just those who may be traditionally perceived as victims.........

Posted by: JoAnn      Read more         Source


May 22, 2008, 10:16 PM CT

Fruit juice consumption not related to overweight in children

Fruit juice consumption not related to overweight in children
Los Angeles, London, New Delhi, and Singapore (April 14, 2008) -- Despite studies that assert otherwise, 100% fruit juice consumption is not correlation to overweight in children, as per the authors of A Review of the Relationship Between 100% Fruit Juice Consumption and Weight in Children and Adolescents in the May/recent issue of the American Journal of Lifestyle Medicine (AJLM), published by SAGE.

The statistics about overweight children are alarming. Over the past 20 years, there has been an increased prevalence of overweight and at-risk-for overweight in all ages and ethnic groups. In 2002, 10.3% of children 2-5 years of age were overweight, an increase from 7.2% in 1994. In males and females 12-17 years of age, waist circumference increased by 4.0% and 5.2%, respectively, between 1994 and 2004.

The article, authored by Carol E. ONeil, PhD, MPH, LDN, RD, Louisiana State University, and Theresa A. Nicklas, DrPH, USDA/ARS Childrens Nutrition Research Center, Baylor College of Medicine, examined 21 studies about a relationship between consumption of 100% fruit juice by children and adolescents and weight, and found there is no systematic association between consumption of 100% fruit juice and overweight in children or adolescents.

Health professionals and policy makers should be encouraged to objectively review the literature on all beverages and encourage consumption of healthful beverages including water, milk, and 100% fruit juice, as per the authors. The data support the consumption of 100% fruit juice in moderate amounts, and this may be an important strategy to help children meet the current recommendations for fruit.........

Posted by: JoAnn      Read more         Source


May 22, 2008, 10:11 PM CT

Emerging role of infection in Alzheimer's disease

Emerging role of infection in Alzheimer's disease
Dr. Alzheimer
Amsterdam Many chronic diseases are in fact caused by one or more infectious agents. For example, stomach ulcers are caused by Helicobacter pylori, chronic lung disease in newborns and chronic asthma in adults are both caused by Mycoplasmas and Chlamydia pneumonia, while some other pathogens have been linked to atherosclerosis. The realization that pathogens can produce slowly progressive chronic diseases has opened new lines of research into Alzheimers disease.

In a special issue of the Journal of Alzheimers Disease published May 2008, guest editors Judith Miklossy, from The University of British Columbia, and Ralph N. Martins, from Edith Cowan University and Hollywood Private Hospital, Perth, Western Australia, and a group of experts explore this exciting topic.

Alzheimers disease (AD), the most frequent cause of dementia, is a form of amyloidosis. It has been known for a century that dementia, brain atrophy and amyloidosis can be caused by chronic bacterial infections, namely by Treponema pallidum in the atrophic form of general paresis in syphilis. Bacteria and viruses are powerful stimulators of inflammation. It was suggested by Alois Alzheimer and colleagues a century ago that microorganisms may be contributors in the generation of senile plaques in AD.........

Posted by: Daniel      Read more         Source


May 22, 2008, 10:07 PM CT

Temporary dentures improve patients' smiles and overall health

Temporary dentures improve patients' smiles and overall health
As people begin to realize how their appearance may influence their social life, a number of are turning to alternative methods to perfect their smile. Temporary dentures are not only economically feasible to wear while waiting for a permanent denture, but they can also aid in a persons overall health and restore a fading smile, as per a research studyfrom the January/February 2008 issue of General Dentistry, the Academy of General Dentistrys (AGD) clinical, peer evaluated journal.

A smile serves as an individuals most powerful tool, says AGD spokesperson Laura Murcko, DMD. A great smile can make great, lasting impression, boost a persons self-esteem and confidence as well as improve their overall health.

However, each year in the United States, over 20 million teeth are extracted, leaving scores of people with imperfect and sometimes devastating smiles. A recent online survey of more than 1,100 AGD members revealed that more than 86 percent of dentists reported that their patients deemed social embarrassment as a problem linked to tooth loss.

Unsightly gaps in the mouth do not have to be part of a persons permanent appearance, says Dr. Murcko. While a number of dentures that help to restore a damaged smile, interim removable partial dentures, also known as temporary dentures provide an immediate and short-term pleasing result.........

Posted by: Janet      Read more         Source



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Did you know?
Studies in monkeys and women suggest that unlike traditional estrogen therapy, a diet high in the natural plant estrogens found in soy does not increase the risk of uterine cancer in postmenopausal women, according to Mark Cline, D.V.M., Ph.D., an associate professor of comparative medicine at Wake Forest University Baptist Medical Center.

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