TENS devices no help for chronic back pain study says
A UW led study finds transcutaneous electrical nerve stimulation offers no more benefit than placebo for chronic back pain. Exercise showed clearer improvements, while TENS costs and long term use face scrutiny. Researchers urge exercise first and caution against surgery or strong drugs.
MENTIONED IN THIS ARTICLE
Seattle
Richard A. Deyo
Froland Journal of Medicine
University of Washington
Empi Corp
St. Paul
Deyo
University of Texas Health Science Center At
San Antonio
Demand for blood falls in the 1980s study finds
A Boston based study in the New England Journal of Medicine reports a drop in U S blood transfusions during the 1980s as fear of AIDS spread. Whole blood and red cell transfusions peaked in 1986 then declined to 116 million pints in 1987 with plasma donations down nearly 9 percent. Autologous donations rose from 30 000 pints in 1982 to 397 000 pints by 1987 while donor supply to others remained steady.
MENTIONED IN THIS ARTICLE
Boston
U.S
Douglas M. Surgenor
Center For Blood Research
New England Journal of Medicine
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