Location of ulcerations in diabetic patients may be explained by blood flow
...perfusion. On the other hand, the heel, which also experiences high plantar pressures, has high skin perfusion potentially serving as a protective mechanism against ulceration. Further work to evaluate this relationship in non-diabetic older adults and diabetic non-peripheral neuropathy patients is necessary to...Birth control pill may provide relief for PMS
...necology. "This study of nearly 700 women's actual experiences reconfirms past data that Yasmin is effective in reducing these symptoms and, more importantly, shows that reduction of these symptoms can have a significant impact on a woman's life." Although not a prerequisite for participation, prior to the study...Can't stand the pain? Your genes may be to blame
...orm of the gene had lower scores for their overall experiences and how they felt at an emotional level during the pain challenge. Those with one copy of each form of the gene had results somewhere in the middle on all measures. The differences between met/met and val/val participants in the activation of the m...Barn owls steer Stanford researcher to clues about visual and auditory mapping
DENVER, Co- Early experiences don't just change what an animal learns and remembers; these experiences can shape the structure and function of the adult brain. "Things that an animal learns during an ear...How postnatal experience influences brain development and brain function
...e not confined to development, although effects of experiences may occur more rapidly in younger animals. Changes in brain organization in response to experience occur throughout life. While plasticity is orchestrated, different aspects of experience regulate different kinds of cellular changes. "If an animal...Neglect during infancy can affect children for years, scientists report
...ur concern is how to inform others about the early experiences these kids have had--but we don't want to sent the message that people shouldn't adopt these kids, that they're damaged," Pollak said. "One of the nice things, from a scientific standpoint, is that [many internationally adopted children] move from th...Why we are what we eat: New links between our biology and food choices
...e been some conditioned learning. We learn by past experiences what makes us feel better, without always being aware of it."...Merck/AAAS announce 2003 winners for outstanding Undergraduate Research Programs
... enhance undergraduate education through research experiences that emphasize the interrelationship between chemistry and biology; encourage students to pursue graduate education in chemistry and life sciences; and foster undergraduate programs and activities that bridge chemistry and biology. The program is ...Innovative research with pythons offers new insights into the body's digestive processes
...ly, within 24 to 48 hours after eating, the python experiences a 2.5 fold-increase in intestinal mucosal mass, a six-fold increase in microvillus length, and 25 to 100-fold increases in metabolic rate and plasma hormone and lipid levels. In total, the overall gastrointestinal response is twice that of a mammal ...More people are getting sick from eating fresh fruits
...thogens as well. An exchange of research tools and experiences between plant pathologists and food microbiologists could result in tremendous advances towards managing food-borne diseases related to produce consumption." According to Buck, one impediment to this kind of research, however, is that plant pathology...Essay on genes and behavior prompts culture clash in academic journal
... genetically fixed human nature. Circumstances and experiences contribute to each individual's nature rather than all of us having a human nature that has been genetically fixed by our evolutionary history, they observed. ''Our reply to Hauser and Wrangham's question - why one can estimate heritabilities in corn...From slime to saviors: Sorting out the fungal family tree
...rming structures that tend to form when the fungus experiences low nutrient levels or other stress. To scientists, fruiting bodies are desirable because they can be used to identify fungi. Under the ants' care, however, the fungi rarely form fruiting bodies, possibly because the ants keep the fungi well supplied...Cocaine harms brain's 'pleasure center,' addict study finds
...the dopamine system helps us recognize pleasurable experiences and seek to repeat them, cocaine's long-term dopamine effects likely contribute to the craving addicts feel, and the decreased motivation, stunted emotion and uncomfortable withdrawal they face. In recent years, many researchers have come to suspect ...A new window to view how experiences rewire the brain
...ses. The researchers also explored whether sensory experiences could affect the turnover of spines. In this set of experiments, they trimmed individual whiskers from the mice, forcing them to experience their environment with a subset of whiskers. This manipulation expands the representation of the intact whiske...Researchers discover gene that controls ability to learn fear
...t governs the indelible imprinting of fear-related experiences in memory. The gene identified by researchers at the Howard Hughes Medical Institute at Columbia University encodes a protein that inhibits the action of the fear-learning circuitry in the brain. Understanding how this protein quells fear may lead to......olidated" in the brain. We found that stored fear experiences in the amygdala, when retrieved, return to a state that again requires protein synthesis in order to be restored or reconsolidated. Thus, if you reactivate the fear memory and block the production of protein in the amygdala immediately afterwards, ...From the bone of a horse, a new idea for aircraft structures
...r example, when a boat pounds waves or an airplane experiences repeated turbulence. "We'll solve many problems using this bone," Garita said. Rapoff and Cowin said applications for the research will grow as manufacturing techniques to create products composed of different grades of material improve. "We'll be ab...UMass team to study bioremediation of acid, heavy metals from collapsed mind
...lasses will be observed to determine whether their experiences have changed the way in which they understand and teach science, and the effects on their students' learning....Drug averts Parkinson's disease in fruit flies, suggesting new approach for humans
...oth species. Like humans, Drosophila melanogaster experiences neuronal loss upon expression of alpha-synuclein, a protein implicated in the onset of Parkinson's disease in both species. "Medications now prescribed to people with Parkinson's disease, such as levodopa, bromocriptine and deprenyl, relieve symptom......temperament; those act together with environmental experiences unique to the individual. The authors found presence of mild depression was not related directly to genetic influences. Interestingly, depression was more likely to occur in those predisposed to it by the presence of high score on harm avoidance or a...