Tag: "weight" at biology news

Brain wave changes in adolescence signal reorganization of the brain

...orded sexual maturity and physical growth (height, weight and body mass index) at each interval. They found delta wave intensity across the 9-11 age group was: unchanged the same for girls and boys They found delta wave intensity across the 12-14 year group: declined by 25% was related t...

Stretch a DNA loop, turn off proteins

...n, or one-trillionth of the force generated by the weight of an apple....

Changes in dietary protein may override inherited skeletal abnormalities

...bone formation and bone mass without affecting the weight of other organs, the researchers found. The remarkable efficacy of a low-protein diet in rescuing skeletal manifestations of a disease caused by increase in ATF4 activity suggested to the researchers that a high-protein diet might similarly reverse...

How mammals fuel milk production may have implications for cancer

...of lactation, a mouse will produce its entire body weight in lipid as well as three times its total body weight in milk, which consists of lipid, protein, and lactose. To accomplish this, two distinct development...

Highlights from the December 2006 Journal of the American Dietetic Association

...ent since the late 1970s, paralleling increases in weight among both adults and children in that time, the researchers were examining whether portion sizes of drinks have an effect on people's total food and calorie intake at meals. In the study of 33 men and women, participants ate lunch in a laboratory ...

Varying weight training intensity increases growth hormone in women

...Md (Dec. 1, 2006) Women who undertake a long-term weight training program produce more biologically active ...inding that allows physiologists to understand why weight training improves muscle tone and optimizes metabolic function. A study published in the December ...

JCI table of contents: December 1, 2006

...id=30760 METABOLIC DISEASE: Fat tissue gains weight from the bone marrow As individuals become obese their adipose tissue (fat tissue) increases in mass. This is because individual cells in the adipose tissues (adipocyte) increase in size and because an increased number of adipocytes are generated....

GM spuds to be commercialized in 2007

...ficant differences in white blood cells and spleen weight between female animals fed the transgenic potato and those given a diet containing the parental cultivar. 'These differences should be thoroughly investigated to ensure that they will not lead to human health impacts,' she said. Currently there a...

Can we prevent type 1 diabetes by modifying infant nutrition?

...infants in Northern Europe (NE) had a higher birth weight but a shorter birth length than infants in Central and Southern Europe (CSE). The NE children remained heavier than those from CSE at least up to the age of 18 months. The NE children were also taller than the CSE children starting already from the a...

Do These Genes Make Me Look Fat?

...ers will be writing about how to keep from gaining weight from that Thanksgiving blowout and all the holiday...f the year not to mention our resolutions to lose weight next year. But how much of that weight gain is genetically determined? Do your genes doom you to a l...

Scrap tires can be used to filter wastewater

...antially higher water filtration rates and lighter weight in comparison to sand or anthracite, crumb rubber filters may also be used in a mobile treatment unit for disaster relief operations, he adds. Because the crumb rubber is compressible, the porosity of the particles is decreased which resembling an id...

Tips from the Journals of the American Society for Microbiology

...stinfection. Noted clinical signs included fever, weight loss, respiratory difficulty and death with the degree and duration of response correlating with the dose of organism delivered. Those guinea pigs vaccinated prior to challenge with the highest dose of C. burnetti did not develop fever and were prot...

Poor athletic performance linked to vitamin deficiency

...s are often concerned about maintaining a low body weight for sports like gymnastics and wrestling. "The most vulnerable people are often the individuals society expects to be the healthiest," said Manore. "There's a lot of pressure on women in particular to look like an 'athlete.' Unfortunately for some p...

Nearly unbreakable

...rigid - a limb bone should not flop over under the weight of the bearer - and secondly, they must be tough and energy absorbing - a bone should not splinter into small fragments when dealt a blow. Usually, substances like rubber that can absorb a lot of energy by molecular conformational changes are, by the...

Exercise, aspirin consumption and childbirth may alter cancer risk

...entally with every rising unit of BMI (measured as weight divided by height squared), especially among women. Being obese with a BMI over 30 posed a 1.5 times higher risk of cancer for men, and more than 2 and a third times higher risk for women. Hypertension increased the risk by one-and-a-half times for m...

How diet, obesity and even gum disease may affect immune system and cancer

...erience a far lower immune response than do normal weight mice to a vaccine typically given to cancer patien...ed, "and we wanted to tease out whether it was the weight or body fat that impaired immune function, and if there was a fat threshold in regard to immune func...

Plant-derived molecules, genetic manipulation point to future chemoprevention methods

...ere apparently well tolerated, and the mice gained weight throughout the experiment," Liby said. "These studies indicate that CDDO-ME and LG100268, even as individual drugs, can delay tumor development in living organisms. But the combination of the triterpenoid and rexinoid compounds was particularly power...

Malaria poses additional risks for first-time mothers

...the mother and to the fetus; it leads to low birth weight and, in Africa alone, is estimated to be responsible for the deaths of about 200,000 infants every year. A woman who is pregnant for the first time is most likely to suffer from placental malaria, and to have her placenta become highly infected and e...

A new target for painkillers

...as lethargy, fatigue, clouding of mental state and weight gain, McIntosh says. Antidepressants and muscle relaxants have been used, but they can cause weight gain, nausea and sexual dysfunction. Topical treatments include capsicum cream derived from chili ...

Genes offer researchers a 'crystal ball' to help them prevent, diagnose and treat cancer

...ncer risk and death from prostate cancer in normal weight men. Because IL-6 is secreted from adipose (fat) t... levels of IL-6 and CRP in men with a healthy body weight may be more indicative of a pro-inflammatory environment in the prostate," she said. Some studies ...

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(Date:10/29/2014)... as ,facultative, form part—together with other cells—of tissues and ... from the others. However, they have a very special ... cells again. This phenomenon is something that happens in ... tissue growth, thus allowing the regeneration of the organ ... the underlying mechanism that allows these cells to retain ...
(Date:10/29/2014)... organisms in the living world compete with members ... in how much they invest into their competitive ... to get access to high-quality resources, while others ... of the lower-quality resources that are left over ... animal and human societies seems to fluctuate considerably ...
(Date:10/29/2014)... of kidney cancer patients in Europe sheds light on ... an apparent link between exposure to aristolochic acid and ... research, by an international team led by scientists from ... Montreal, underscores the importance of investigating possible sources of ... of the Aristolochia genus, also has been suspected of ...
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