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January 9, 2007, 10:00 PM CT

Calcium For Nursing Mothers' Oral Health

Calcium For Nursing Mothers' Oral Health
Mothers who breastfeed should be sure to have enough Calcium in their diet, or may risk bone loss around their teeth and gums, as per a new study that appears in the recent issue of the Journal of Periodontology (JOP).

Scientists from Tohoku University in Japan investigated if lactation affects alveolar bone loss, the bone surrounding the roots of teeth, in rat models of experimental periodontitis. They found mothers who are lactating could put the bone structures around their teeth at risk, particularly when there was not enough Calcium in their diet.

"Our research emphasized the importance of having a high-Calcium diet while breast-feeding," said Dr. Kanako Shoji, Division of Periodontology and Endodontology at Tohoku University. "While our study was on a rat population, the evidence confirmed that breastfeeding can cause increased bone loss in the mother, particularly when the mother has insufficient Calcium intake. But additional studies in human populations are necessary to confirm these findings."

The study showed that all groups with insufficient Calcium intake saw an acute inflammatory reaction in periodontal tissues and disruption of the gingival epithelium, the tissues surrounding the teeth, in addition to increased attachment loss, and increased alveolar bone loss. Those groups which were lactating saw even greater attachment loss and bone loss.........

Posted by: Janet      Read more         Source

January 9, 2007, 8:53 PM CT

Caffeine Cuts Post-workout Pain

Caffeine Cuts Post-workout Pain
Eventhough it's too soon to recommend dropping by Starbucks before hitting the gym, a new study suggests that caffeine can help reduce the post-workout soreness that discourages some people from exercising.

In a study would be reported in the recent issue of The Journal of Pain, a team of University of Georgia scientists finds that moderate doses of caffeine, roughly equivalent to two cups of coffee, cut post-workout muscle pain by up to 48 percent in a small sample of volunteers.

Lead author Victor Maridakis, a researcher in the department of kinesiology at the UGA College of Education, said the findings may be especially relevant to people new to exercise, since they tend to experience the most soreness.

"If you can use caffeine to reduce the pain, it may make it easier to transition from that first week into a much longer exercise program," he said.

Maridakis and colleagues studied nine female college students who were not regular caffeine users and did not engage in regular resistance training. One and two days after an exercise session that caused moderate muscle soreness, the volunteers took either caffeine or a placebo and performed two different quadriceps (thigh) exercises, one designed to produce a maximal force, the other designed to generate a sub-maximal force. Those that consumed caffeine one-hour before the maximum force test had a 48 percent reduction in pain in comparison to the placebo group, while those that took caffeine before the sub-maximal test reported a 26 percent reduction in pain.........

Posted by: JoAnn      Read more         Source

January 7, 2007, 6:58 AM CT

Value Of Foods High In Calcium And Vitamin D

Value Of Foods High In Calcium And Vitamin D Calcium, Vitamin D
The Food and Drug Administration (FDA) has proposed an amended health claim that would communicate to consumers the value of foods high in calcium and vitamin D for reducing the risk of osteoporosis. The National Dairy Council (NDC) acknowledges and supports the body of scientific evidence that backs the proposed claim, which indicates that a lifestyle that includes a well-balanced diet with adequate calcium and vitamin D, and physical activity, helps reduce the risk of osteoporosis.

"The proposed claim provides a clearer way to communicate the benefits of calcium and vitamin D in bone health," says Ann Marie Krautheim, registered dietitian and senior vice president of nutrition and health promotion at the National Dairy Council. "We hope the simplified language will help consumers better understand the importance of three daily servings of dairy to obtain these nutrients and reduce the risk of osteoporosis."

Together, milk, cheese and yogurt provide excellent sources of calcium and vitamin D. In addition to calcium and vitamin D, the U.S. Surgeon General's Report on Bone Health and Osteoporosis recognizes the role of a number of other nutrients in dairy foods, including magnesium, phosphorus, potassium and protein, that work together to help protect bones. The report also recognizes the importance of regular physical activity in contributing to bone health.........

Posted by: JoAnn      Read more         Source

December 13, 2006, 7:49 PM CT

Soft Drink Ads In Schools May Discourage Healthy Nutrition

Soft Drink Ads In Schools May Discourage Healthy Nutrition
Commercial activity permitted in schools, such as soft drink ads; the use of Channel One broadcasts in classrooms; sales incentives from soft drink bottlers; and exclusive beverage contracts may discourage a "nutrition-friendly" environment for students, says researchers.

Dr. Claudia Probart, Penn State associate professor of nutritional sciences who led the study, says, "Schools' newly created wellness policies as mandated by the Child Nutrition and WIC Reauthorization Act of 2004 provide ideal opportunities to examine school environments for advertising that might conflict with their goals for a healthy climate for students."

The study is detailed in the current (December) issue of the Journal of the American Dietetic Association in a paper, "Existence and Predictors of Soft Drink Advertisements in Pennsylvania High Schools." The authors are Probart; Elaine McDonnell, project coordinator, Penn State; Lisa Bailey-Davis, director of operations, Pennsylvania Advocates for Nutrition and Activity; and J. Elaine Weirich, project manager at Penn State.

The scientists sent surveys to 271 school foodservice directors at high schools in Pennsylvania and received 84 percent participation. The schools were representative of the entire population of high schools in Pennsylvania.........

Posted by: JoAnn      Permalink         Source

December 13, 2006, 5:07 AM CT

Acid Reflux Disease Linked To Obesity

Acid Reflux Disease Linked To Obesity
As per a new article in The American Journal of Gastroenterology, gastroesophageal reflux disease (GRD), more usually known as, acid reflux, is associated with obesity. Since (GRD) is strongly linked to more serious conditions, such as esophageal ulcers and cancer, weight reduction treatment may be useful in therapy and prevention of these conditions.

"The condition is very common, but prior studies have not been successful at pinpointing risk factors for the condition," says Douglas Corley, author of the study. "Because we evaluated the results of 20 studies on the subject, we were able to better identify and understand the association between obesity and acid reflux."

In a nation becoming increasingly aware of the dangers of obesity, this new finding provides yet another reason to discuss weight management with a physician. "We know that an increase in body weight increases the chance of having heartburn and acid reflux, which can increase the risk of esophageal ulcers and cancer," says Corley. "While we can't say at this time that weight loss treatment is definitely the solution to this condition, it certainly warrants further research as a therapy".........

Posted by: JoAnn      Permalink         Source

December 12, 2006, 5:14 AM CT

Obesity Epidemic Will Cause Thousands More Cases Of Cancer

Obesity Epidemic Will Cause Thousands More Cases Of Cancer
Cancer Research UK today put Britain on a warning that the rising tide of obesity could result in as many as 12,000 cases of weight related cancer diagnosed annually by 2010.

The most recent figures show that in 2003 there were 24.2 million obese or overweight people in the UK. The department of health has predicted a 14 per cent increase by 2010 which means the numbers will rise to 27.6 million.

Cancer Research UK statisticians have calculated that if the rate of obese and overweight people continues to rise - as the government has predicted - there will be an increase of around 1500 weight related cancers per year by 2010.

Researchers have estimated that excess weight causes 3.8 per cent of cancers. The projected rise in people becoming overweight or obese means that weight related cancers are likely to rise from 10, 500 cases per year to 12,000 in just seven years.

After smoking obesity is one of the most important preventable causes of cancer. But few people are aware that being overweight or obese increases the risk of developing the disease. A Cancer Research UK survey has shown that only 29 per cent of overweight or obese people are aware of the cancer connection.

Professor Tim Key, Cancer Research UK epidemiologist and expert on diet and cancer, said: "It is now well established that being overweight increases the risk of developing several types of cancer. The effects on breast and womb cancer are almost certainly due to the increased production of the hormone oestrogen in the fatty tissue. We are less sure of the precise mechanisms in other obesity related cancers but we can confidently predict that the number of these cases will increase unless the rise in obesity in Britain can be reversed".........

Posted by: Janet      Permalink         Source

December 12, 2006, 5:00 AM CT

Daily Weighing and Quick Action Keeps Pounds Off

Daily Weighing and Quick Action Keeps Pounds Off
Stepping on the scale every day, then cutting calories and boosting exercise if the numbers run too high, can significantly help dieters maintain weight loss, as per results of the first program designed specifically for weight loss maintenance. Study results are reported in the New England Journal (NEJM).

Unlike other obesity studies, which focus on how to lose weight, the "STOP Regain" trial tested a method that taught participants how to keep those pounds from coming back - regardless of the method they used to lose the weight in the first place.

Led by Rena Wing, professor of psychiatry and human behavior at Brown Medical School and director of the Weight Control and Diabetes Research Center at The Miriam Hospital, the study taught successful dieters a technique called "self-regulation." With the goal of maintaining their weight within five pounds, participants were taught to weigh themselves daily and use the information from the scale to determine if they needed to adjust their diet or exercise routine.

The intervention worked: Significantly fewer participants regained five or more pounds during the 18-month-long program. The program was most successful when delivered in face-to-face meetings, eventhough the Internet also proved a viable way to help participants maintain their weight loss.........

Posted by: JoAnn      Permalink         Source

December 6, 2006, 8:51 PM CT

Evolutionary Risk of Cancer And Body Mass

Evolutionary Risk of Cancer And Body Mass
A key enzyme that cuts short our cellular lifespan in an effort to thwart cancer has now been associated with body mass.

Until now, researchers believed that our relatively long lifespans controlled the expression of telomerase-an enzyme that can lengthen the lives of cells, but can also increase the rate of cancer.

Vera Gorbunova, assistant professor of biology at the University of Rochester, conducted a first-of-its-kind study to discover why some animals express telomerase while others, like humans, don't. The findings are reported in today's issue of Aging Cell.

"Mice express telomerase in all their cells, which helps them heal dramatically fast," says Gorbunova. "Skin lesions heal much faster in mice, and after surgery a mouse's recovery time is far shorter than a human's. It would be nice to have that healing power, but the flip side of it is runaway cell reproduction-cancer".

Up until now, researchers assumed that mice could afford to express telomerase, and thereby benefit from its curative powers, because their natural risk of developing cancer is low-they simply die before there's much likelihood of one of their cells becoming malignant.

"Most people don't know that if you put mice in a cage so the cat can't eat them, 90 percent of them will die of cancer," says Gorbunova.........

Posted by: Janet      Permalink         Source

December 6, 2006, 8:17 PM CT

Sleep Problems In Overweight Children

Sleep Problems In Overweight Children
One-fourth of overweight children may have sleep problems that regular physical activity can largely resolve, scientists say.

Research reported in the recent issue of Obesity shows a surprising 25 out of 100 overweight, inactive children tested positive for sleep-disordered breathing, including telltale snoring.

After about three months of vigorous after-school physical activity such as jumping rope, basketball and tag games, the number of children who tested positive for a sleep disorder was cut in half, as per lead researcher, Dr. Catherine L. Davis. In children who exercised the longest, the number was reduced by 80 percent.

The children were among 100 black and white boys and girls ages 7 to 11 enrolled in a study looking at the effect of exercise on metabolism. For the purposes of that study, the children were divided into three groups: a control group as well as those who exercised 20 or 40 minutes daily.

In fact scientists found the average score for all children who exercised - even those who did not test positive for sleep disorders - improved on the Pediatric Sleep Questionnaire.

"Existing data suggests about two percent of children have sleep problems but with 37 percent of children now considered overweight, the percentage may be much higher," says Dr. Davis, clinical health psychology expert at the Medical College of Georgia and the study's first author.........

Posted by: JoAnn      Permalink         Source

December 5, 2006, 7:41 PM CT

Perception Of Overweight And Obesity

Perception Of Overweight And Obesity
Overweight black Americans are two to three times more likely than heavy white Americans to say they are of average weight even after being diagnosed as overweight or obese by their doctors, as per a research studyled by Dana-Farber Cancer Institute researchers.

Weight "misperception" was most common among black men and women, and also was found among Hispanic men (but not women) in comparison to their white counterparts. The findings, which appear in the current online issue of the International Journal of Behavioral Nutrition and Physical Activity, are significant as excess body weight is a known risk factor for diabetes, heart disease, a number of forms of cancer, and premature death.

Growing concern over the national obesity epidemic in recent years apparently has not significantly increased overweight blacks recognition of their excess pounds, said Gary G. Bennett, PhD, of Dana-Farbers Center for Community-Based Research and Harvard School of Public Health in Boston, lead author of the study.

The report by Bennett and Kathleen Y. Wolin, ScD of Northwestern University is based on an analysis of data collected in the National Health and Nutritional Examination Survey (NHANES), a government-sponsored research study begun in the 1960s. It includes both interviews and physical examinations carried out by mobile units across the country.........

Posted by: JoAnn      Permalink         Source

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Did you know?
Exercise can't stop the aging process, but experts at Baylor College of Medicine in Houston say that for the elderly, whether it's weight training, walking, swimming or biking, 30 minutes of exercise three to five times a week is a good prescription for aging."It's never too late to start exercising," said Dr. Robert Roush, an associate professor of medicine-geriatrics at BCM. "Being physically active and exercising regularly can help prevent or delay some diseases and disabilities as people age.". Archives of weight watcher's blog

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