Health & Medicine
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Health & MedicineIn the brain, justice is served from many parts
Imaging study reveals variation in brain activity depending on the severity of punishment a person decides.
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Health & MedicinePollutants in the womb can trigger adult cancers
Mouse study shows fetal exposure to carcinogens may pose long-term risks.
By Janet Raloff -
Health & MedicineAntioxidants fail to prevent prostate cancer
Selenium, vitamins C, E don’t lower incidence of prostate cancer in two large trials.
By Nathan Seppa -
Health & MedicineMalaria vaccine closer to reality
The success of two trials sets the stage for a final, large-scale trial that could mean approval of what would be the first vaccine against Malaria.
By Nathan Seppa -
Health & MedicineLack of sleep has genetic link with type 2 diabetes
Large genomic studies show body rhythms, melatonin may influence sugar levels in the blood.
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Health & MedicineHoneybee CSI: Why dead bodies can’t be found
Virus could explain one symptom of colony collapse.
By Susan Milius -
Health & MedicineImagination Medicine
Brain imaging reveals the substance of placebos. Expectation alone triggers the same neural circuits and chemicals as real drugs.
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Health & MedicineMen line up for circumcision in Africa
But demand for the operation, shown to guard against HIV and other infections, exceeds availability.
By Nathan Seppa -
Health & MedicineFine-scale structure of egg crucial for fertility
Scientists describe the shape of a protein required for conception. These new molecular details will lead to an improved understanding of how sperm and egg unite.
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Health & MedicineProtein found to set the heart’s cadence
Researchers have discovered a molecular metronome that sets the rhythm of the heart and blood pressure.
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ChemistryNanosilver disinfects — but at what price?
Silver demonstrates some unusual immunological impacts at the nanoscale.
By Janet Raloff -
Health & MedicineBone density may be determined in the gut
A surprising new connection between the gut and bones may lead to new forms of treatment for human bone diseases such as osteoporosis.