Adolescents and young adults who are heavy users of marijuana are more likely than non-users to have disrupted brain development, according to a new study. Pediatric researchers found abnormalities in areas of the brain that interconnect brain regions involved in memory, attention, decision-making, language and executive functioning skills. The findings are of particular concern because [...]
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Scientists have tested a non-invasive approach that may one day allow doctors to evaluate a tumor’s response to a drug before prescribing therapy, enabling physicians to quickly pinpoint the most effective treatment and personalize it to the patient’s unique biochemistry.
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New excavation evidence indicates that Zeus’ worship was established on Mt. Lykaion as early as the Late Helladic period, if not before, more than 3,200 years ago.
Scientists have developed a rapid, automated image screening process to distinguish breast cancer cells from normal cells. The technique may eventually lead to better ways for surgeons to determine if they have removed all of the cancer during breast-conserving cancer surgery and cut down on the number of needed second operations.
In order to achieve higher storage densities on computer disks, the last decades were dominated by optimization of magnetic materials, i.e. the magnetic particles (grains) were gradually shrunk while, at the same time, the magnetic stability (magnetic anisotropy) was increased. Usually, about 100 to 600 grains form one bit, i.e. currently the smallest storage unit.
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Mice and humans are about equally good at assessing risk in everyday tasks. Perhaps this activity is very primitive — a basic, cognitive mechanism.
A study has found that most of the healthy children and teenagers in the United States who are taking daily vitamin and mineral supplements probably don’t need them.
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If you’ve ever wondered why some allergic reactions progress quickly and may even become fatal, a new report provides an important part of the answer. In the report, scientists show for the first time that eotaxin, a chemical that helps immune cells locate the site of infection, blocks basic “fighter” cells from transforming into “seeker” [...]
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Biomedical engineers are developing a bio-compatible compound designed to mend serious leg fractures. The “fracture putty” could be used to regenerate bones shattered by roadside bombs or other explosive devices.
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Recent research from the first researcher to demonstrate a molecular link between inflammation and cancer has identified two potential targets for the prevention and treatment of colitis-associated cancer, the most serious complication of inflammatory bowel disease.
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