Tag: "diets" at biology news
UAF biologist tracking extinct bears published in Science
...pe data to determine aspects of ancient brown bear diets
and compared them to those of the extinct short-faced bear, which peak between 35-21,000 years ago. They also examined whether competition between the two would help explain the 14,000 year absence of the brown bear and the extinction of the short-fa...
Tufts University reports high protein intake and calcium supplementation helps healthy bones
... reports elderly Americans who are on high protein diets
and have adequate calcium intake can reverse bone ...he study, the researchers reviewed the volunteers' diets
(specifically their calcium and protein intake) and bone mass density. The results show that the s...
Researchers identify gene that controls formation of heart chambers
...that supplementing folic acid in expectant mothers diets
leads to a lower incidence of spinal-cord defects.Stephanie Pierce, a fourth-year Southwestern Graduate School of Biomedical Sciences student and a research assistant in pediatrics and molecular biology, and Robert Sims III, a fifth-year cellular and...
Hopkins researchers test new molecular marker for prostate cancer
...chicken and most fish. Several studies have shown diets
high in red meat to be associated with an increased risk of prostate cancer. "What we've learned about AMACR could not only serve as an excellent early marker for prostate cancer but also could identify new dietary or chemical means of preventing t...
New evidence that dietary soy and flaxseed have positive effect on obesity and diabetes
...eans, LA. Methodology Lean and obese rats were fed diets
containing either 20 percent casein or 20 percent ...ts were mixed. Conclusions These data suggest that diets
rich in soy protein and flaxseed have beneficial effects on many aspects of obesity and diabetes....
Genistein-containing supplements may stop tamoxifen
..., where cancer rates are low, people often consume diets
rich in soy products that contain about 20 to 30 milligrams of isoflavones a day, Helferich said. However, many isoflavone-enhanced drinks and supplements now available in the United States may contain 30 to 150 milligrams per serving, and two or mo...
Black raspberries a potentially powerful agent in fight against colon cancer
... animals were placed into four groups and fed diets
mixed with 0, 2.5, 5 or 10 per... malignant tumors. In rats fed diets
supplemented with black raspberries, the number of malignant tumors seemed to co...
WCS launches new program aimed at reducing unsustainable hunting overseas
...ed, and the dependence of hunted wildlife on local diets
- and economies. Researchers are also working closely with local people to develop no-hunting zones in certain areas, and education programs. To reduce hunting in logging concessions - a leading cause in the decline of wildlife in many regions - ...
Researchers uncover biochemical connection between high-fat diets and increased colon-cancer risk
...ey clue in tracing the connection between high-fat diets
and increased colon-cancer risk. Their findings, p... established a strong association between high-fat diets
and colorectal cancer, but scientists could not explain the biological and biochemical mechanisms th...
Higher fibre intake linked to later periods, scientists say
Prepubescent girls who consume more fibre in their diets
can decrease by 50 per cent the risk of early onse...bre in the body, Koo says. Girls with higher fibre diets
may be expelling more estrogen which correlates with later onset of menarche. As part of his researc...
Just one bite at a time: Researchers find snake with unusual feeding habit
...rt." The researchers were trying to understand the diets
of two snakes found in Singapore Fordonia leucobalia and Gerarda prevostiana. Both eat crabs, which is fairly unusual right from the start. However, while examining the stomach contents, it was obvious that crabs eaten by Gerarda were in pieces. Sin...
Researchers discover molecular 'switch' that tells body to store or burn fat
...ynthesis of oleate despite the fact that mammalian diets
supply abundant dietary oleate," says Ntambi, professor of biochemistry and nutritional sciences at the University of Wisconsin at Madison. The next question the researchers asked was: to what extent does repression of SCD-1 contribute to leptin's a...
Low-carbohydrate, high-protein diets increase risk of kidney stones and may raise bone loss risk
...g. 1, 2002 Popular low-carbohydrate, high-protein diets
may result in rapid weight loss, but researchers a...eased as much as 90 percent while subjects were on diets
that severely restricted carbohydrates. Levels of urinary citrate, which inhibits kidney stones, fel...
Consuming more calories and fats may be associated with a higher risk of Alzheimer disease
...d information given, significantly reduced calorie diets
have been associated with longer life spans in mice and rats. Researchers believe that the relationship is a result of the production of fewer free radicals, destructive molecules formed during the breakdown of food and oxygen in cells. Free radical...
What do you mean throw out the food guide pyramid?
...tioners like registered dieticians who set healthy diets
for groups of people. They are not really meant to be recommendations for consumers to use to sit down and figure out their own diets," Johnson clarifies. "Consumers currently can't even tell how much added sugars there are in a food or beverage by r...
Six of the best
...ow: Diet, deprivation and food retail access The diets
of the inhabitants in a large deprived housing estate in Leeds have been improved by the opening of a major food superstore in the area, according to new research funded by the ESRC and J Sainsbury plc. The findings reveal residents with the worst di...
Green tea may fight allergies
... dust, pollen, certain foods). Exercise and proper diets
are also thought to alleviate the effect of allergies. Funding for this study was provided in part by grants from the Program for Promotion of Basic Research Activities for Innovative Biosciences (PROBRAIN). Dr. Tachibana's associates in this study ...
Diet rich in soy protein lowers estrogens associated with breast cancer
...revention. The study found a link between soy-rich diets
consumed by Asian women in Singapore and reduced levels of an estrogen called estrone, the predominant form of estrogen in women following menopause. High estrogen levels have been shown to increase the risk for breast cancer among postmenopausal wom...
New physical activity opinion survey demonstrates perceptions do not meet reality
...ls can be part of the solution for addressing poor diets
and sedentary lifestyles. Citing a looming health crisis among the nation's children, Mrs. Laura Bush, Dr. David Satcher and more than 30 national organizations, including NASPE, will develop national, state and local initiatives to create healthier ...
The role of obesity and calories in cancer prevention
...16 percent energy) or high fat (39 percent energy) diets
composed of either omega-3 or n-6 polyunsaturated ...ale offspring. Both the low and high fat fish oil diets
increased circulating estrogen levels, but only the low fat diet reduced breast cancer risk. Exer...
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