ScienceDaily Top Science Headlines
for Saturday, August 28, 2010
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Baby's first full diaper can reveal mother's smoking (August 27, 2010) -- Meconium, the dark and tarry stools passed by a baby during the first few days after birth, can be used to determine how much the mother smoked, or if she was exposed to tobacco smoke during pregnancy. Researchers measured tobacco smoke metabolites in meconium samples from 337 babies, finding that they correlated well with reported smoke exposure and other markers of tobacco smoke exposure. ... > full story
Rectal cancer rates are rising in young individuals, analysis finds (August 27, 2010) -- A new analysis has found that while colon cancer rates have remained steady over the past several decades among people under the age of 40, rectal cancer rates are increasing in this population across races and in both sexes. ... > full story
New model to help organize, keep private 'vast ocean' of social network data (August 27, 2010) -- Researchers have developed a new model to manage the "vast ocean" of user-generated content being generated by the ever-growing social networking sites including Facebook and Twitter. ... > full story
Autism and schizophrenia: Family history may not always be a good indicator (August 27, 2010) -- Family history may not be a good predictor of the presence of mutations predisposing to autism or schizophrenia, a new study suggests. The findings show how new or de novo gene mutations -- alterations of the cell's DNA -- play a role in these devastating conditions. ... > full story
Moms who don't breastfeed more likely to develop type 2 diabetes, study finds (August 27, 2010) -- Mothers who did not breastfeed their children have significantly higher rates of type 2 diabetes later in life than moms who breastfed, a new study finds. Twenty-seven percent of mothers who did not breastfeed developed type 2 diabetes and were almost twice as likely to develop the disease as women who had breastfed or never given birth. ... > full story
Vaccine has cut child cases of bacterial pneumonia, says study (August 27, 2010) -- The number of children admitted to English hospitals with bacterial pneumonia decreased by a fifth in the two years following the introduction of a vaccine to combat the disease, according to a new study. ... > full story
Experimental treatments for cocaine addiction may prevent relapse (August 27, 2010) -- The drug disulfiram, used for years to deter recovering alcoholics from drinking, also can treat cocaine addiction. Disulfiram prevents rats from seeking cocaine after a break, a model for addicts tempted to relapse. Disulfiram appears to work by inhibiting the enzyme dopamine beta-hydroxylase, which is required for the production of the neurotransmitter norepinephrine. A selective inhibitor of that enzyme, nepicastat, is also effective in the same model of cocaine relapse. ... > full story
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