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New hormone discovery has implications for liver diseases

Researchers at UT Southwestern Medical Center have discovered that the small intestine communicates with the liver to control the production of bile acids - a finding that has great medical implications in treating people at risk for certain types of liver disease.

11 Oct 2005

Obesity associated with a threefold increase in SCD1 expression in obese muscle

The gene encoding an enzyme that hinders muscle from burning fat manufactures three times more enzyme in the muscle of obese people than lean people, researchers from Duke University Medical Center and Louisiana State University have found. This causes the obese muscle tissue to both store more fat and burn less fat, the researchers said.

11 Oct 2005

Sleletal muscle findings highlight the importance of exercise in obese people

The findings suggest that muscle bears a metabolic memory of obesity, which may help to explain why sustained weight loss can be difficult despite cutting calories, according to the researchers. Exercise might more successfully override the aberrant metabolic program in muscle, they suggest, thereby improving the long-term prognosis of those prone to obesity.

11 Oct 2005

Cholesterol levels among older adults has declined significantly

The total cholesterol level among older adults has declined significantly, while there has been little change among younger adults, according to a study in the October 12 issue of JAMA: The Journal of the American Medical Association.

11 Oct 2005

Screening for cardiovascular risk by measuring blood levels of C-reactive protein should not be advocated

C-reactive protein (CRP) is released by the liver in response to inflammation related to an infection, injury, or conditions such as arthritis. Inflammation also has been associated with the cause and progression of cardiovascular disease, particularly in the build up of fatty deposits in the lining of arteries.

10 Oct 2005

United States has a major weight problem and it will get worse

A large, community-based study -- considered the first study to assess the long-term risk of developing overweight and obesity in adults -- found that over 30 years, nine out of 10 men and seven out of 10 women were overweight or became overweight. In addition, more than one in three were obese or became obese.

4 Oct 2005

Chemical in cocoa beans can limit the development of fluids that cause diarrhea

A new study conducted by researchers at Children's Hospital & Research Center Oakland is the first to discover that a chemical in cocoa beans can limit the development of fluids that cause diarrhea. Cocoa beans contain a large amount of chemicals called flavonoids.

3 Oct 2005

Children enrolled in fitness-oriented gym classes showed greater loss of body fat

Overweight children who took part in lifestyle-focused, fitness-oriented gym classes showed significant improvement in body composition, fitness, and insulin levels, according to a study in the October issue of Archives of Pediatrics and Adolescent Medicine.

3 Oct 2005

Physical activity may reduce gastrointestinal symptoms in people who are obese

In a study published in the American Gastroenterological Association (AGA) journal Clinical Gastroenterology and Hepatology, researchers found that a high body mass index (BMI) and lack of physical activity were associated with an increase in GI symptoms such as stomach pain, diarrhea, constipation and irritable bowel syndrome (IBS).

3 Oct 2005

Treatment of Nonalcoholic Fatty Liver Disease (NAFLD) in children

The Nonalcoholic Steatohepatitis (NASH) Clinical Research Network has launched its second clinical trial to study NASH, a liver disease that resembles alcoholic liver disease but occurs in patients who drink little or no alcohol. The first trial, launched in January of this year, focuses on adults, while the second trial studies the disease in children.

27 Sep 2005

Seaweed extract, alginate, could be used to increase the fibre content of junk food

The highly-fibrous seaweed extract, alginate, could be used to increase the fibre content of cakes, burgers and other types of food which usually contain large amounts of fat and a low degree of healthy nutrients, say the team.

27 Sep 2005

Parents' Views on School Wellness Practices

A new national survey of parents of school-aged children found a significant gap between what parents believe is happening and what is actually happening in terms of nutrition and physical activity in America's schools.

26 Sep 2005

Folate may protect against cognitive decline in older adults

According to a recent report in the American Journal of Clinical Nutrition, folate, a B vitamin found in foods like leafy green vegetables and citrus fruit, may protect against cognitive decline in older adults.

26 Sep 2005

Lead exposures early in life combined with high blood pressure in working age adults may lead to diminishing cognitive abilities in later life

Exposure to lead in early childhood and adolescence may contribute to hypertension-related decline that can impair a person's cognitive abilities, according to a new study presented at the 2005 American Heart Association's High Blood Pressure Research meeting.

26 Sep 2005

New nutritional challenges in HIV/AIDS care have emerged

Nutritional therapy for HIV-infected patients is shifting focus. Drug treatments designed to combat the HIV virus have improved, decreasing some nutritional problems, while bringing others to light.

26 Sep 2005

Parkinson's dark period can be minimized or alleviated with the right kind of care

Some people call it "the dark time," the period between when a person is diagnosed with Parkinson's disease and when treatment with medication begins.

26 Sep 2005

Presence of environmental chemicals in human milk does not necessarily indicate health risks for infants

"We strongly emphasize that the mere presence of an environmental chemical in human milk does not indicate that a health risk exists for breast-fed infants," said Cheston M. Berlin, Jr., M.D., Penn State University professor of pediatrics and pharmacology.

22 Sep 2005

High-fat fare increases risk of heart disease for hospital staff and visitors

Nutrition scientists with the Physicians Committee for Responsible Medicine (PCRM) have conducted a nationwide survey to determine if hospital cafeterias and restaurants are meeting the need for low-fat, cholesterol-free foods that can help people maintain a healthy weight and prevent heart disease, diabetes, and some cancers.

19 Sep 2005

Approximately 25 percent of how a person ages is inherited from parents

According to professor Thomas Kirkwood of the University of Newcastle, there is no single gene for ageing. Throughout time, Humans have used energy to get food, produce offspring and survive danger - not to repair and maintain cells. So the maintenance system in the body slowly breaks down.

19 Sep 2005

Retinoic acid combined with PIC, a synthetic immunity booster, significantly elevates the immune system response to a tetanus shot

These results show that a natural product of vitamin A can have an important role in regulating immunity and, when administered along with PIC, might be a potentially powerful nutritional-immunological assist in vaccination."

12 Sep 2005