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ΩLow vitamin D levels may be associated with more advanced physical disability and cognitive impairment in persons with multiple sclerosis, studies conducted by neurologists at the University at Buffalo have shown.Their results, reported at the American Academy of Neurology meeting, held earlier this month, indicated that:The majority of MS patients and healthy controls had insufficient vitamin D levels.Clinical evaluation and...

Imagine your delight while enjoying your favorite Mexican food -- perhaps a fully loaded bean burrito topped with an ample supply of thinly sliced jalepeño peppers. What happens when you bite into a few more peppers than you bargained for? Does this thought conjure up the thought of a little heat? Perhaps even a bit of sweat on the brow?Indeed, food scientists can tell you that hot peppers contain a substance called capsaicin...

Many preventive measures for cognitive decline and for preventing Alzheimer's disease -- mental stimulation, exercise, and a variety of dietary supplements -- have been studied over the years. However, an independent panel convened by the National Institutes of Health determined that the value of these strategies for delaying the onset and/or reducing the severity of decline or disease hasn't been demonstrated in rigorous studies."Alzheimer's...

Scientists funded by the Agricultural Research Service (ARS) found that volunteers who followed a low-calorie diet or a very low-calorie diet not only lost weight, but also significantly enhanced their immune response. The study may be the first to demonstrate the interaction between calorie restriction and immune markers among humans.The lead researcher, Simin Nikbin Meydani, is director of the Jean Mayer USDA Human Nutrition...

Previous health research posts:April 21April 13April 1March 9February 20February 3January 15So many new research reports have come out this week that I'm doing a new report much sooner than usual (click on links for details.)Lots of research on what's good for you: .Vitamin D and drinking alcohol doesn't reduce value of Vitamin D100 Percent Fruit Juice Green teaSeeing sick peopleJust seeing someone who looks sick is enough to...

Can eating less be as simple as leaving serving dishes on the stove and off the table? According to a team of researchers from Cornell University, it can.At this week's Experimental Biology conference in Anaheim, Calif., researchers led by Brian Wansink, director of the Cornell Food and Brand Lab, shared findings of their "Serve Here; Eat There" study of 78 adults."We looked at whether serving foods from the kitchen counter, instead...

ΩFor as long as our ancestors have been drawing pictograms or writing prose about food and culture, humans have been imbibing various forms of alcohol. Once simply a process by which nutritious beverages could be preserved and stored for later use, there is no doubt that the production and consumption of wines, beers, and spirits now provides integral texture to the fabric of many cultures. However, whether alcoholic drinks provide...

ΩJust seeing someone who looks sick is enough to make your immune system work harder, according to a new study in which volunteers looked at pictures of sick people. This may help fight off pathogens, says Mark Schaller from the University of British Columbia who conducted the research. "It seems like it's probably good for the immune system to be responding especially aggressively at times when it looks like you are likely to...

According to legend, it was The Fountain of Youth that the famed Spanish explorer Ponce de Leon was seeking when he landed on the Floridian coast in 1513. It has long been said that he who drinks from the Fountain will have his youth restored. Without a doubt, the quest for eternal youth is as ancient as any pursuit. However, although we are now living longer than ever, there is now growing concern that quantity of years is not...

ΩStudy finds body's response to repetitive laughter is similar to the effect of repetitive exerciseLaughter is a highly complex process. Joyous or mirthful laughter is considered a positive stress (eustress) that involves complicated brain activities leading to a positive effect on health. Norman Cousins first suggested the idea that humor and the associated laughter can benefit a person's health in the 1970s. His ground-breaking...

ΩBrown or half-milled rice may decrease the activity of a protein known to induce high blood pressure and cardiovascular diseaseRice is generally thought to be a healthy addition to the diet because it is a source of fiber. However, not all rice is equally nutritious, and brown rice might have an advantage over white rice by offering protection from high blood pressure and atherosclerosis ("hardening of the arteries"), say researchers...

New research suggests Topping that bowl of cereal with raspberries instead of strawberries, or sautéing kale instead of spinach for dinner can boost phytonutrient intake, which may help decrease risk for certain chronic diseases, including cardiovascular disease, cancer and diabetes.A study found that despite the availability of a wide range of foods that contain phytonutrients, many Americans are getting phytonutrients from a...

ΩFindings show grape consumption lowered blood pressure, improved heart function and reduced other risk factors for heart disease and metabolic syndromeCould eating grapes slow what's for many Americans a downhill sequence of high blood pressure and insulin resistance leading to heart disease and type 2 diabetes?Scientists at the University of Michigan Health System are teasing out clues to the effect of grapes in reducing risk...

Four unhealthy behaviors—smoking, lack of physical activity, poor diet and alcohol consumption—appear to be associated with a substantially increased risk of death when combined, according to a report in the April 26 issue of Archives of Internal Medicine, one of the JAMA/Archives journals."Several studies have shown that specific health behaviors, including cigarette smoking, physical inactivity, higher alcohol intake and, to...

ΩThe stage for osteoporosis is set well before menopause—but exercise can help rewrite the script, according to Medical College of Georgia researchers.Declining estrogen levels have long been associated with osteoporosis, but bone density starts to decline years before these levels drop, according to Dr. Joseph Cannon, Kellet Chair in Allied Health Sciences and principal investigator of the National Institute of Aging-funded study....

ΩRegular exercise speeds learning and improves blood flow to the brain, according to a new study led by researchers from the University of Pittsburgh School of Medicine that is the first to examine these relationships in a non-human primate model. The findings are available in the journal Neuroscience.While there is ample evidence of the beneficial effects of exercise on cognition in other animal models, such as the rat, it has...

ΩNew research shows children and teens who drink 100 percent juice have higher intakes of key nutrients compared to non-consumersConsumption of 100 percent fruit juice is closely linked to improved nutrient intake and overall diet quality in children and teens, according to new research presented yesterday at the Experimental Biology (EB) 2010 meeting.Two new studies from researchers at the Louisiana State University Agricultural...

ΩNew research in the FASEB Journal shows that high levels of phosphate in sodas and processed foods accelerate the aging process in mice and contribute to age-associated complications such as chronic kidney diseaseHere's another reason to kick the soda habit. New research published online in the FASEB Journal shows that high levels of phosphates may add more "pop" to sodas and processed foods than once thought. That's because...

Taking arginine supplements can improve the cycling ability of over-50s. Researchers writing in BioMed Central's Journal of the International Society of Sports Nutrition tested a combination of the amino acid and an antioxidant in sixteen cyclists, finding that it enhanced their anaerobic threshold -- the amount of work done before lactic acid begins to accumulate in the blood.Zhaoping Li worked with a team of researchers from...

Consuming a higher amount of added sugars in processed or prepared foods is associated with lower levels of high-density lipoprotein cholesterol (HDL-C, the “good cholesterol”) and higher levels of triglycerides, which are important risk factors for cardiovascular disease, according to a study in the April 21 issue of JAMA.“In the United States, total consumption of sugar has increased substantially in recent decades, largely...

Responding to the health threat posed by Americans' over-consumption of sodium, experts in the department of nutrition at Harvard School of Public Health (HSPH) and The Culinary Institute of America (CIA) called today for sodium reduction strategies that are strong and effective—and that maximize the enjoyment people derive from food."There is now overwhelming evidence that we must treat sodium reduction as a critical public health...

New research provides insight into healthier consumption of sushi New research showing that that mercury levels are higher in some species of tuna could help consumers minimize their consumption of the silvery metal in their sushi and provide a powerful new tool for regulatory organizations. The new research—combining DNA barcoding at...

ΩThe largest ever trial of fish oil supplements has found no evidence that they offer benefits for cognitive function in older people.The OPAL study investigated the effects of taking omega-3 long-chain polyunsaturated fatty acid supplements over a two year period on the cognitive function of participants aged 70-80 years.The number of people with cognitive impairment is rising and it is estimated that by 2040, more than 81 million...

Ω Scientists have confirmed that the healthful substances found in green tea — renowned for their powerful antioxidant and disease-fighting properties — do penetrate into tissues of the eye. Their new report, the first documenting how the lens, retina, and other eye tissues absorb these substances, raises the possibility that green tea...