Tag: "nutritional" at biology news
Computer generates comparative gene maps
...ed corn with better disease resistance or improved nutritional
value. In medicine, clues from the genome of the mouse are being used to help find genes associated with human diseases. The idea of comparative mapping is to align genes in the order they are found along the chromosomes of the first or "base" spec...
Two bees or not two bees? Researchers take first look at the genetic differences between queen and worker honeybees
...xactly how hormones triggered by environmental and nutritional
influences cause larvae to activate the genes necessary to fulfil their destiny. Female honeybees, Apis mellifera, begin life as bipotential larva with the capability to develop into one of two castes, either worker or queen. The ability of young fro...
Diet aid works best with other life changes
...ies a day, consisting of four servings daily of a nutritional
supplement (OPTIFAST 800, manufactured by the Novartis Nutrition Co.) and a frozen food entre for dinner. At the end of the year, these women had lost an average 35.5 pounds (16.5% of their initial weight) -- representing outstanding weight loss, ac...
Nutrient-dense food products improve cardiovascular health in frail elderly
Frail elderly people are particularly at risk for nutritional
deficiencies that can contribute to cardiovascular...bination of the two would benefit elderly subjects nutritional
status and neurological functioning. Food enrichment seemed to offer the most tangible health benefi...
Friendly microbes control intestinal genes, study finds
...had to develop strategies for satisfying their own nutritional
needs and various needs of their hosts. We wanted ...vidual humans, and how such differences affect our nutritional
status, our health and our predisposition to certain diseases."According to Gordon, answering this q...
UW researchers show that the human genome is helpless in the face of chocolate
..., said it is not necessary to look for chemical or nutritional
explanations for enjoying its complex flavor. "The human genome is powerless in the face of chocolate," Drewnowski said. "We all eat it because we like it, and we dont need any scientific explanation to do that."...
NHLBI study shows reduced fat intake to lower cholesterol is safe and beneficial for children
...modifications did not alter the children's growth, nutritional
status, or sexual maturation throughout the seven-...s might cause problems such as growth retardation, nutritional
inadequacy, and adverse psychological effects among pre-pubertal children. "DISC addresses these co...
Vitamin B-6 and folate supplementation provides optimal homocysteine-lowering
...e of the study. Baseline analysis of the subjects nutritional
status had shown that 10 of the 22 subjects had deficient or suboptimal serum concentrations of vitamin B-6. In a randomized, double-blind trial, they were assigned to receive either vitamin B-6 (1.6 mg/d) supplementation, or a placebo for 12 weeks. ...
Researchers light the path of brain's feeding circuit in mice
...eight, is produced mainly by fat cells and signals nutritional
information to the brain. In general, an increased amount of fat leads to the production of more leptin and a decreased amount of fat leads to a decreased amount of leptin. An increase or decrease in the level of leptin elicits a set of responses tha...
"Soft" science? Fat's health impacts are often oversimplified, Science news feature contends
...tific issues, and does not advocate any particular nutritional
regimen. Dietary guidance should be provided only by health-care professionals. "Mainstream nutritional
science has demonized dietary fat," a Science news article reports in the 30 March, 2001 issue. "Y...
Study to focus on diet, nutrition and weight loss in cats with cancer
...er taking part in the study. There is little solid nutritional
information that veterinarians can go by to help counter the common problem of weight loss during cancer treatment, said Nicole Ehrhart, a veterinary surgical oncologist and lead researcher on the project. Cats are living longer than ever before, sh...
Consuming more protein, less carbohydrates may be healthier
...overall health. For 30 years fad diets and various nutritional
recommendations have come and gone, said Donald Layman, a professor of nutritional
sciences at the University of Illinois. The result: Americans take in more calories than ever, obe...
Like USA children, young adults snacking more now than they did two decades ago
...ercent to 84 percent between 1977-78 and 1994. The nutritional
contribution of that food to total daily energy intake climbed from 20 percent to 23 percent, chiefly because energy consumed per snacking occasion increased by 26 percent, and the number of snacks per day rose 14 percent overall. "Snacks going fro...
Scientists: nutritional deficiency can boost influenza virus damage
...nstrating that a specific deficiency in a specific nutritional
requirement can affect the immune system and then affect viral infections, Beck said. It helps pinpoint how the deficiency matters. "Since we know that selenium is involved as an anti-oxidant, we think we're looking at an oxidative stress mechanism ...
UC Davis study finds breastfeeding may protect bones in teen-age mothers
... mothers are in no danger of sacrificing their own nutritional
health if they choose to breastfeed their babies, ...diatrics, who authored the study. "Recognizing the nutritional
demands of a baby who is breastfeeding, I wanted to look at how lactation specifically affects the t...
Low-income, hungry children sick more often
...sion Professor in Family Policy and a professor of nutritional
sciences at Cornell University; Edward Frongillo Jr., associate professor of nutritional
sciences, at Cornell University; and Ronette Briefel, senior research fellow at Mathematica Policy R...
Hunger linked to poor health in low-income U.S. children
...he time of the study. According to the health and nutritional
survey, more than 15 percent of children from low-...sion Professor in Family Policy and a professor of nutritional
sciences at Cornell. "Food security is a critical component of child health policy." Recent welfare...
How to build strong bones: Get milk, lose the booze
...ing bone health - and alcoholics usually have poor nutritional
habits - animal studies have shown that alcohol can slow bone growth even when nutrition is maintained. This indicates that alcohol is directly responsible for at least some detrimental effects on bone health. "Drinking cessation does not result...
Long goodbye to Steller sea lions: creatures are disappearing
...wing much larger, that might indicate some sort of nutritional
stress, such as not enough food supply to begin wi...en out of sync for the last 30 years. "If there is nutritional
stress, is it because of overfishing? That's one big question we hope to answer," Horning adds.There...
Penn study finds signs folic acid and Vitamin B12 may lessen some ill effects of SMA
...is influenced, perhaps to a significant extent, by nutritional
factors. Individuals afflicted with SMA have a genetic deficiency in a protein calledSMN (survival of motor neurons), which is a "housekeeping" protein requiredby all cells -- especially motor neurons, the nerve cells that control theactivity of mus...
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