ScienceDaily Health Headlines
for Sunday, February 7, 2010
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New compound could become important new antidepressant (February 7, 2010) -- Chemists have discovered and synthesized a new compound that in laboratory and animal tests appears to be similar to, but may have advantages over one of the most important antidepressant medications in the world. ... > full story
Biologists determine microRNA activity is suppressed in mouse ovum (February 7, 2010) -- Scientists studying RNA activity, the so-called dark matter of the biological world, may have found the first event in reprogramming a differentiated oocyte into pluripotent blastomeres of the embryo. ... > full story
Early abuse tied to more depression in children (February 7, 2010) -- A study of 500 low-income children ages 7 to 13, about half of whom had been abused and/or neglected, aimed to find out whether abuse early in life and feelings of depression affected cortisol ("stress hormone") levels. Study results suggest that there are different subtypes of depression, with atypical cortisol regulation occurring among children who were abused before age 5. ... > full story
New malaria vaccine is safe and protective in children, scientists find (February 6, 2010) -- A new vaccine to prevent the deadly malaria infection has shown promise to protect the most vulnerable patients -- young children -- against the disease, according to an international team of researchers. The vaccine seems to replicate in children the natural protective immunity that adults develop after years of intense exposure to malaria. A child dies of malaria every 30 seconds, according to the WHO. ... > full story
Toward safer plastics that lock in potentially harmful plasticizers (February 6, 2010) -- Scientists have published the first report on a new way of preventing potentially harmful plasticizers -- the source of long-standing human health concerns -- from migrating from one of the most widely used groups of plastics. ... > full story
How progesterone prevents preterm birth (February 6, 2010) -- Researchers believe they may have discovered how the hormone progesterone acts to prevent preterm birth. ... > full story
Moms' depression in pregnancy tied to antisocial behavior in teens (February 6, 2010) -- Researchers studying 120 British youth from inner-city areas found that mothers who became depressed when pregnant were four times as likely to have children who were violent at 16. This was true for both boys and girls. The mothers' depression, in turn, was predicted by their own aggressive and disruptive behavior as teens. ... > full story
World's first in-depth study of the malaria parasite genome (February 6, 2010) -- Groundbreaking research could lead to the development of more potent drugs or a vaccine for malaria. Scientists have scored a world first in successfully using transcriptional profiling to uncover hitherto unknown gene expression (activity) patterns in malaria. ... > full story
Blacks with MS have more severe symptoms, decline faster than whites, new study shows (February 6, 2010) -- Fewer African Americans than Caucasians develop multiple sclerosis, statistics show, but their disease progresses more rapidly, and they don't respond as well to therapies, a new study by neurology researchers has found. ... > full story
Sweet! Sugar plays key role in cell division (February 6, 2010) -- Using an elaborate sleuthing system they developed to probe how cells manage their own division, scientists have discovered that common but hard-to-see sugar switches are partly in control. ... > full story
Length of time in institutional care may influence children's learning (February 6, 2010) -- A new study shows that children adopted early from foster care didn't differ from children who were raised in their birth families but that children adopted from institutional care performed worse than those raised in families on tests measuring visual memory and attention, learning visual information, and impulse control. Findings suggest that children make tremendous advances in cognitive functioning once they reach their adoptive families but the impact of early deprivation is difficult to reverse completely. ... > full story
HPV vaccines may reduce a wide range of genital diseases (February 6, 2010) -- High-coverage human papillomavirus (HPV) vaccinations among adolescents and young women may result in a rapid reduction of genital warts, cervical cell abnormalities, and diagnostic and therapeutic procedures, researchers report in a new study. Some of these genital abnormalities are precursors of cervical, vulvar and vaginal cancers. ... > full story
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