Tag: "diets" at biology news
Code-breaking insects steal plants' defensive signals, enabling counterattack
...logy doctoral student Xianchun Li fed experimental diets
containing jasmonate and salicylate to fifth instars -- the oldest caterpillar stage that causes the largest amount of crop damage. Examining the midgut and fatbody, where detoxifying chemicals are produced, Li found almost eightfold increases of P4...
Study: Isoflavone-enriched soy proteins fail to increase bone mineral density in young women
...int nutritionists hoping to document benefits from diets
containing the nutrients, not to mention the soy industry. A report on the study, conducted at the University of North Carolina at Chapel Hill, appears in the current (October) issue of the Journal of the American College of Nutrition. Isoflavones a...
Even in middle age, cutting calories slows aging of the heart
...nderlie heart disease. Caloric restriction, where diets
remain nutritious but are reduced in calories, is the only known way to extend life span. Numerous studies, including of primates, mice, spiders and other animals, have demonstrated significant health benefits and a general slowing of the process of ...
High selenium consumption may protect ex-smokers from bladder cancer
...strial chemicals. Past research has suggested that diets
rich in selenium result in lower incidences of cancer, particularly lung, colorectal and prostate cancers. The most important dietary sources of selenium are meats, fish, cereal, dairy products and eggs. Some nuts, particularly Brazil nuts, contain ...
Screening certain infants can be lifesaving, Wake Forest study shows
...Once diagnosed, these babies are placed on special diets
that reduce the amount of fat and change the type of fat, which counteracts the effect of the gene mutation. For instance, these babies can metabolize coconut oil, Ibdah said. These babies also need to avoid fasting. Ibdah had reported in the New...
Moderate alcohol consumption during pregnancy is risky too
...ant rats were pair-fed zero-percent alcohol liquid diets
that were caloric equivalents of the three alcohol...nt, three-percent, and five-percent alcohol liquid diets
produced average peak maternal BACs of 7, 30, and 83 mg/dL respectively. Later, adult female offspr...
Non-invasive imaging technique detects plaques beginning to form in vessels
...3 rabbits. Four of the rabbits had been fed normal diets
and nine had been fed high-cholesterol diets
for about 80 days. They then took MRI scans of the abdominal aorta the largest artery in the body ...
UF study: Calorie restriction reduces age-related brain cell death
...lly at the effects of life-long calorie-restricted diets
on brain cells, University of Florida researchers determined certain proteins linked to cell death that naturally increase with age were significantly reduced in the brains of rats whose calories were limited. More important, they found the levels o...
New center will probe links between diet, genes and disease
... health and well-being by precisely matching their diets
to their unique genetic makeup." The director of the National Center for Minority Health and Health Disparities (NCMHD), John Ruffin, said, "Programs like the Center of Excellence for Nutritional Genomics lay the foundation for our nation's future ef...
Research sheds light on why protein-rich diets aid weight loss
...ries. The findings of two related papers involving diets
of increased protein and reduced carbohydrates app...esis on 24 mid-life, overweight women who consumed diets
of 1,700 calories a day for 10 weeks. Physical activity of the participants was held constant. The ...
Family history doesnt predict colon cancer genes, behavior
... people without a family history to have high-risk diets
that included lots of cooked red meat and low amounts of folate, a vitamin that may help prevent colon cancer. "Modification of these factors could have broad benefits and interventions could be targeted to persons with a family history regardless of...
Fasting forestalls Huntington's disease in mice
...f Huntington's patients by prescribing low-caloric diets
with reduced meal frequency," says Mark Mattson, Ph.D., chief of the NIA's Laboratory of Neuroscienc...
Innovative research with pythons offers new insights into the body's digestive processes
...s to debate the efficacy and safety of recommended diets
for millions of Americans who are classified as obese. The answer to good health may lie in selecting food that is effectively digested by our gastrointestinal system and the laboratory animal holding the key could be the python....
Why we are what we eat: New links between our biology and food choices
...n our sense of taste have such an influence on our diets
that they may help determine which diseases we mig...ciations," Bartoshuk said. "We know people's whole diets
are different, based on their taste sensitivity." Because taste buds also detect the sensations of t...
Chemical in soy alters reproductive organs in male rats
...ealth report that male rats whose mothers were fed diets
containing genistein, a chemical found in soybeans, developed abnormal reproductive organs and experienced sexual dysfunction as adults. While these findings do not indicate that genistein has a similar effect in humans, researchers say the increa...
It's who you know
...strategies for women to reduce added fats in their diets
should be based on reducing portion sizes, awareness of meal timing and substituting high-fat ingredients in recipes for low-fat options. In addition, the fact that women from different ethnic and racial backgrounds experienced different amounts of r...
Stanford researchers review efficacy and safety of low-carbohydrate diets
...ANFORD, Calif. - People who go on low-carbohydrate diets
typically lose weight, but restricted caloric inta...t on people over the age of 53. "Low-carbohydrate diets
have been extremely popular as of late, and the lay press has suggested they're a safe and effective...
Lead by example to get your kids to eat right, experts say
...eggies and reduce the amount of fat in their daily diets
so they will stay healthy. The four-year public health initiative at Saint Louis University School of Public Health is funded by a $2 million grant from the National Cancer Institute. Debra Haire-Joshu, Ph.D., principal investigator of the study and ...
New study finds yogurt may help burn body fat
...e participants who included Yoplait Light in their diets
also lost 81 percent more fat in the stomach area, which is the most dangerous type of fat. "Apple-shaped" obese individuals who carry extra fat around their middle section are at an increased risk of heart disease, diabetes, stroke and some types o...
As Vitamin B-6 levels go down, numbers of DNA strand breaks go up
...nd six non-smokers were given carefully controlled diets
containing only marginal amounts of Vitamin B-6. Because the diet was designed to be low in Vitamin B-6, foods high in Vitamin B-6 like cereals, beef, chicken, fish, legumes, soy products and bananas, were limited. The diet was composed of other co...
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