Health & Medicine
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Health & MedicineAlpha wave may affect sleep quality
A type of brain activity once considered diagnostic of wakefulness persists during slumber, and the more intense it is the more easily a person can be jolted awake.
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EarthLow sperm counts linked to fetal effects
Low male fertility may partly stem from chemical exposures in utero, an anatomical study suggests.
By Janet Raloff -
Health & MedicineBody & Brain
Ibuprofen may help fend off Parkinson’s, plus bone boosters and smokers’ brains in this week’s news.
By Science News -
LifeGood gene type for cancer bad for stroke
A DNA variant that helps prevent tumors may diminish the brain’s recovery after an interruption in blood supply.
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Health & MedicineHalf of adult males carry HPV
Human papillomavirus, a sexually transmitted pathogen that can cause cancer, shows up often in men and lingers for months, a study shows.
By Nathan Seppa -
EarthPCBs may impair fertility
A study of women undergoing in vitro fertilization finds reduced embryo implantation among women with higher levels of one type of the banned chemicals.
By Janet Raloff -
Health & MedicineHow brains guesstimate
Experiments show how the human mind lowballs moving objects’ speed when information is lacking.
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Health & MedicineMemories Can’t Wait
Researchers rethink the role of amyloid in causing Alzheimer’s
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ChemistryMad cow-type diseases lie in wait
Prion infections build quickly in the brain then pause before killing, new research suggests.
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Health & MedicineNews in brief: Body & Brain
Baby's first bites make a big impression, and so do European biomedical journals, in this week's news.
By Science News -
Health & MedicineTired, sure, but is it from Lyme disease or chronic fatigue?
A scan of proteins in spinal fluid reveals distinct signatures for these two conditions, offering hope for better diagnosis and possibly treatment.
By Nathan Seppa -
HumansMafia informants fail acid test
Tests of sulfuric acid on pig carcasses cast doubts on Mafia claims of dissolving murder victims in a matter of minutes.