1,553 research outputs found
Water
"MP 459""Prepared by Dr. Mary Jean Baker in collaboration with Dr. Evelyn H. Johnson, Dr. Rhonwyn Lowry, and Jean Brand, with consultation of a committee of county and State Extension workers. Extension Service, U. S. Department of Agriculture.
Nutrition and pregnancy
"MP 461""Prepared by Dr. Mary Jean Baker in collaboration with Dr. Evelyn H. Johnson, Dr. Rhonwyn Lowry, and Jean Brand, with consultation of a committee of county and State Extension workers. Extension Service, U.S. Department of Agriculture.
Nutrition and drugs
"MP 460""Prepared by Dr. Mary Jean Baker in collaboration with Dr. Evelyn H. Johnson, Dr. Rohnwyn Lowry, and Jean Brand, with consultation of a committee of county and State Extension workers. Extension Service, U.S. Department of Agriculture.
Calcium
"MP 457""Prepared by Dr. Mary Jean Baker in collaboration with Dr. Evelyn H. Johnson, Dr. Rhonwyn Lowry, and Jean Brand, with consultation of a committee of county and State Extension workers. Extension Service, U. S. Department of Agriculture.
Vitamin A : how does vitamin A affect your driving?
"MP 453""Prepared by Dr. Mary Jean Baker in collaboration with Dr. Evelyn H. Johnson, Dr. Rhonwyn Lowry, and Jean Brand, with consultation of a committee of county and State Extension workers. Extension Service, U.S. Department of Agriculture.
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Use of the Internet for health information by the chronically ill
Introduction: Chronic conditions are among the leading causes of death and disability in the United States. The Internet is a source of health information and advice for individuals with chronic conditions and shows promise for helping individuals manage their conditions and improve their quality of life. Methods: We assessed Internet use for health information by people who had one or more of five common chronic conditions. We conducted a national survey of adults aged 21 and older, then analyzed data from 1980 respondents who had Internet access and who reported that they had hypertension, diabetes, cancer, heart problems, and/or depression. Results: Adjusted rates for any Internet use for health information ranged from 33.8% (heart problems only) to 52.0% (diabetes only). A sizable minority of respondents — particularly individuals with diabetes — reported that the Internet helped them to manage their condition themselves, and 7.9% said information on the Internet led them to seek care from a different doctor. Conclusion: Use of the Internet for health information by chronically ill patients is moderate. Self-reported effects on choice of treatment or provider are small but noteworthy
Noise Dressing of Financial Correlation Matrices
We show that results from the theory of random matrices are potentially of
great interest to understand the statistical structure of the empirical
correlation matrices appearing in the study of price fluctuations. The central
result of the present study is the remarkable agreement between the theoretical
prediction (based on the assumption that the correlation matrix is random) and
empirical data concerning the density of eigenvalues associated to the time
series of the different stocks of the S&P500 (or other major markets). In
particular the present study raises serious doubts on the blind use of
empirical correlation matrices for risk management.Comment: Latex (Revtex) 3 pp + 2 postscript figures (in-text
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