Humans
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We summarize the week's scientific breakthroughs every Thursday.
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Health & MedicineCardiac Culprit: Autopsies implicate C-reactive protein in fatal heart attacks
Of people who died suddenly, those who succumbed to a heart attack had an abundance of the inflammation indicator C-reactive protein in the blood, even though few had had outward signs of heart problems.
By Nathan Seppa -
Health & MedicineDrug for dry mouth may prevent lung cancer
A drug prescribed for a condition called dry mouth stymies formation of precancerous lung lesions in cigarette smokers.
By Nathan Seppa -
Health & MedicineGene mutation tied to lung cancer
Scientists have identified a gene, dubbed LKB1/STK11, that is often mutated in people with a particularly deadly form of lung cancer.
By Nathan Seppa -
Health & MedicineCompound attacks pancreatic cancer
A protein fragment dubbed NK4 can stall the development of pancreatic cancer in mice.
By Nathan Seppa -
Health & MedicineSt. John’s wort hinders cancer drug
The herbal remedy St. John's wort can interfere with the effectiveness of the anticancer drug irinotecan.
By Nathan Seppa -
Health & MedicineAntibiotics don’t seem to protect heart
Two large studies find little evidence that antibiotics can protect some people with cardiovascular disease against subsequent heart attacks.
By Ben Harder -
Health & MedicineFolate cuts family risk of colon cancer
According to a 16-year study of nearly 90,000 women, the vitamin folate has a protective effect against colon cancer among women whose families have been affected by the disease.
By Ben Harder -
Health & MedicineBerry Colorful Nutrition News (with recipes)
Ah, raspberries. So sweet, so delicate on the tongue, so ephemeral. Oregon Raspberry and Blackberry Commission Isolated pigments from the four raspberries tested. Liu/Cornell Oregon Raspberry and Blackberry Commission Every year, I unsuccessfully defend my raspberries against squirrels, birds, and beetles. As I watch the fruit begin to ripen, so do the neighborhood creatures. Two […]
By Janet Raloff -
AnthropologyThe DNA Divide: Chimps, people differ in brain’s gene activity
The distinctive looks and thinking styles of people and chimpanzees derive from the contrasting productivities of their similar DNA sequences.
By Bruce Bower -
Health & MedicineVanquishing a Virus: New drugs attack herpes infections
Scientists have identified a new class of compounds that stop herpes simplex virus from replicating.
By John Travis -
Health & MedicineDiluted smallpox vaccine is potent
About 15 million doses of smallpox vaccine held by the U.S. government can be diluted to one-tenth their original concentration and still be effective for immunizing people.
By John Travis -
Health & MedicinePulse pressure linked to dialysis death rate
People on kidney dialysis who have high pulse pressure—the difference between the top and bottom numbers on a blood pressure reading—seem to be at a greater risk of dying than those with low pulse pressure.
By Nathan Seppa