Tag: "eating" at biology news

Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation

...g painful, prolonged erections (or priapism) after eating frog-legs from amphibians that ate blister beetles. Cantharidin is not only painful but toxic, and as little as 20 blister beetles' worth can be fatal to humans, Eisner reported in a 1990 article in the journal Chemoecology. Repeated tests in the Co...

Nutrition Study Reshapes Strategies For Athletes

... at that level. The other key, Houtkooper says, is eating enough of the right kinds of foodsand eating them on a schedule coordinated with their competitions. Lighteris not necessarily better, which flie...

Low-Protein Diet May Reverse Kidney Disease

...ure. Scientists have not solved the paradox of why eating less protein benefits some patients -- sufferers already lose too much protein in their urine, yet restricting dietary protein may help many sufferers, says Mackenzie Walser, M.D., the study's lead author and a professor of pharmacology, molecular sc...

Duke Primate Center Sets October Expedition To Find 'Juliet'

...ad already died. In the remote jungle,poaching and eating by villagers usually goes undetected. Young Romeo is now housed at the Primate Center with two of his cousin-species-- a Coquerel's sifaka and a golden-crowned, or Tattersall's, sifaka. Thethree animals have been living together in harmony, said Sim...

Researchers Identify A New Cellular Structure: The "Dumposome"

...ers. "It's basically a little garbage disposal for eating extra DNA." Dumposomes appear only briefly during the life cycle of Tetrahymena. Over a five-hour period during reproduction,molecules of a structural protein known as Pdd1p coalesce to form about a dozen circular dumposomes -- each only one-tho...

Plants Need Vitamin C, Too

... not produce their own vitamin C and must rely on eating the right foods to obtain it. Researchers at the Boyce Thompson Institute created mutant plants that have no capacity to make vitamin C, and they then subjected the plants to strenuous environmental factors such as high levels of ozone and ultraviole...

Eating After Exertion May Be A Key To Speeding Body's Recovery

...n a series of studies, researchers also found that eating oat-based cerealbefore exercise can help fight fatigue and feelings of hunger. The pre-exercisefindings, based on human studies, were published in the American Journalof Clinical Nutrition and in the Journal of Nutrition. The post-exercise findings,...

Overweight Cats Risk Disease And Premature Death, Cornell Study Finds

...are neutered, apartment-dwelling, mixed breed cats eating prescription cat food. "The original obesity study...nd Burmese, are thin animals to begin with. Cats eating some prescription diets for conditions other than weight are more likely to be overweight. That is ...

Purdue Researchers Prod Plants To Clean Up Pollution

...and vegetables would hold fewer toxins, and people eating them would have healthier diets. While Goldsbrough prods vegetables to change the way they take up toxic metals, another Purdue researcher pushes tobacco plants to clean up radioactive waste. Purdue botany Professor Mary Alice Webb uses tobacco seedl...

Munching Microbes Make A Meal Out Of Toxic Substances

...his type of microbe at these sites because they're eating one of their favorite foods -- petroleum," Nies sa... alone. "If there are microbes in the soil already eating the contaminants, you could just leave it alone and let them do their thing, or add some commercial ...

Low Iron Levels Cause Weakness In Women Who Are Not Anemic

...e iron status through diet, Haas and Zhu recommend eating red meat. For vegetarians, they recommend consuming orange juice (vitamin C) with meals to improve absorption from iron-rich foods such as legumes, whole grains and green vegetables. The research was supported, in part, by the U.S. Department of Agr...

Early Tests Indicate Motor Skills Unharmed In Consumers Of Tainted Fish

... journal Toxicologyand Industrial Health. "People eating fish in the 1960s and '70s were really getting thehighest level of exposure," said principal investigator Susan L. Schantz,a professor of environmental toxicology at the University of Illinois. "PCBsand DDE are not very easily metabolized; they tend ...

Resistance To Leptin Contributes To Obesity

...luid and the mice quickly recovered theirweight by eating more food. To compare leptin's affects via injection and ICV infusion amongoverweight mice, the researchers selected strains of mice with differenttypes of obesity. One type, the Diet Induced Obese (DIO) mouse, is leanwhen fed regular mouse ...

Female Adolescents Need Calcium During 'Window Of Opportunity'

...o-fat versions, so that shouldn't stop anyone from eating enough diary products." According to Weaver, the new dietary recommendations for calcium are the first of a new set of dietary standards. For the first time the recommendations will be for both the United States and Canada. Six new Dietary Reference ...

Oaks' Defenses Help Gypsy Moth Caterpillar Fend Off Virus

... more virus to kill the caterpillars when they are eating tannins.The oak trees' defense -- tannin -- actually lets the gypsy moth caterpillarsurvive. Nuclear Polyhedrosis virus, LdNPV, is commonly called wilt diseasebecause the caterpillar turns into a sack of virus and slumps over. Thisnaturally ...

Early Menarche Puts Young Girls In Peril

...ay in crisis and at much higher risk than boys for eating disorders, substance abuse, dropping out of school, depression and suicide," Brumberg says. Brumberg warns: "Contemporary girls are in trouble . . . young women develop physically earlier than ever before, but within a society that does not protect ...

Purdue Research Shows Omega-3S Benefit Bone

...y also help bones grow. "Past research showed that eating more omega-3 fatty acids could decrease coronary heart disease risk and might decrease chances of getting certain cancers," says Purdue food science professor Bruce Watkins, "but our research is the first to suggest that omega-3's improve bone growth...

Hormonal Changes At Puberty Can Mask High Cholesterol In Blood

...avier and have higherLDL levels. "Children are not eating more, as reflected by calories," he says.The weight gain could be due to decreased levels of physical activity, he adds....

Duke Lemurs Are Released In Madagascar

...narian GrahamCrawford. During that time, all began eating fruits harvested from the forest,supplemented with commercial monkey chow. Since all were in good health, the release was set for Monday morning,Nov. 10, Madagascar time. The release process began with a trimming of theanimals' tail hair into distin...

Purdue Researchers Track Oil Spill's Effects On Sea Otters

...ting oil when they groom their fur, or they may be eating contaminated food," Snyder says. "These studies should shed light on the mechanism." Snyder's otter study is part of a larger research project to investigate the recovery of the ecosystem in Prince William Sound. About 15 researchers, ranging from bi...

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