Drop in teens exercise shown in new study
A study of 2,379 girls aged 9 to 17 across Washington DC, Cincinnati and San Francisco finds regular after school exercise falls sharply, especially among black girls, with over half reporting no regular activity by ages 16 and 17. Researchers note obesity rise and call for more encouragement of physical activity.
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Associated Press
Sue Y.S. Kimm
University of Pittsburgh School of Medicine
Kimm
New England Journal of Medicine
Washington, D.C
Cincinnati
San Francisco
Dust germs may guard against allergies study says
A European study reported in the New England Journal of Medicine suggests that germs in household dust help protect children from hay fever and asthma. The hygiene hypothesis posits early germ exposure trains the immune system, contrasting decades of belief that cleanliness reduces allergy risk.
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Boston
New England Journal of Medicine
Old germ killer may fight genetic disease
New York AP reports researchers are testing the antibiotic gentamicin on patients with cystic fibrosis muscular dystrophy and hemophilia to see if it can counteract genetic defects. If effective it could signal a broader treatment approach though experts warn it is not a cure and carries risks. Cystic fibrosis patients will use gentamicin nose spray at several centers to test whether it boosts production of a key nasal protein linked to the disease.
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New York
Steve Sommer
City of Hope National Medical Center
Duarte
Calif
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