Health & Medicine
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Health & MedicineFirst Line of Defense: Hints of primitive antibodies
After looking in primitive marine invertebrates that are considered to be close relatives to vertebrates, immunologists find families of genes that might provide clues as to how early immune systems evolved.
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Health & MedicineCoconspirator? Genital herpes linked to cervical cancer
Having a genital herpes infection doubles the risk of cervical cancer among women who have human papillomavirus.
By Nathan Seppa -
Health & MedicineYoung Women Don’t Bone Up on Soy
Among the many reported nutritional benefits of diets rich in soy is a strengthening of bone in postmenopausal women. For these Golden Girls, who face an increasing risk of osteoporosis, soy-based foods can provide much-needed assistance in limiting the inevitable loss of bone. Although soybeans are best known for their oil, their protein is also […]
By Janet Raloff -
Health & MedicineFederal Government Launches Organic Standards
Though for decades some foods have carried the label “organic,” consumers never could be sure exactly what the term meant. Action by the Department of Agriculture last week should clarify things. USDA USDA On Oct. 21, USDA implemented regulations governing the production and labeling of organic foods. Until now, bodies from state governments to trade […]
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Health & MedicineHidden Effect? Hypertension risk linked to common, over-the-counter pain relievers
Women who take ibuprofen or acetaminophen for headaches or inflammation boost their chances of developing high blood pressure.
By Nathan Seppa -
Health & MedicineCancer Net
Cancer.gov is a huge compendium of information on cancer assembled by the National Cancer Institute. You can find out the characteristics of different cancers, ponder treatment options, peruse statistics on cancer incidence, and check out support groups, coping strategies, and much more. The site offers access to scientific papers and lectures, along with a search […]
By Science News -
Health & MedicineDistressing Gut Symptoms May Trace to Sweets
U.S. diners are notorious for having a sweet tooth. It’s hard not to succumb to the pervasive siren calls of sugary confections. Television commercials bombard viewers with enticements for presweetened cereals, breakfast bars, sugar-laden soda pop, and fruit-flavored beverages–many containing, at best, only about 10 percent real juice. Grocery stores seduce consumers with aisle after […]
By Janet Raloff -
Health & MedicineBlood Booster: Growth signal shifts cord stem cells into high gear
A protein called Delta-1 stimulates stem cells in umbilical cord blood to proliferate in a lab dish, attach well to bone marrow when implanted into mice, and even proceed to the animal's thymus to become T cells.
By Nathan Seppa -
Health & MedicineA Most Dreadful Pest
Yellow fever was a deadly scourge that had a devastating effect on lives and economies throughout the 18th and 19th centuries. This engrossing Web exhibit features historical documents from the Walter Reed Yellow Fever Collection at the University of Virginia. It focuses on the work of the Reed Commission, which proved that the Aedes aegypti […]
By Science News -
Health & MedicineLess Crying in the Kitchen: Tasty, tearfree onions on the horizon
The discovery of a new enzyme responsible for creating the tear-inducing chemicals found in onions may herald the arrival of genetically modified tearfree onions.
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Health & MedicineWest Nile Worries Are No Reason to Give Up Breast-feeding
West Nile virus infections are spreading like wildfire–and not just through bug bites. Although the vast majority of the nearly 2,800 U.S. cases reported to the Centers for Disease Control and Prevention (CDC) so far this year were picked up from mosquitoes, at least 3 people–and possibly 15–appear to have acquired the virus from infected […]
By Janet Raloff -
Health & MedicineFinal Word? Breast surgeries yield same survival rate
Women with breast cancer who undergo partial-breast removal are just as likely to survive for at least 20 years as are women who have their entire breast removed.
By Nathan Seppa