M R Cook

Summary

Affiliation: Midwest Research Institute
Country: USA

Publications

  1. ncbi request reprint Morning urinary assessment of nocturnal melatonin secretion in older women
    M R Cook
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    J Pineal Res 28:41-7. 2000
  2. ncbi request reprint Heart rate variability and physiological arousal in men exposed to 60 Hz magnetic fields
    C Graham
    Midwest Research Institute, Kansas City, MO 64110, USA
    Bioelectromagnetics 21:480-2. 2000
  3. ncbi request reprint Exposure to strong ELF magnetic fields does not alter cardiac autonomic control mechanisms
    C Graham
    Midwest Research Institute, Kansas City, MO 64110, USA
    Bioelectromagnetics 21:413-21. 2000
  4. ncbi request reprint Nocturnal exposure to intermittent 60 Hz magnetic fields alters human cardiac rhythm
    A Sastre
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    Bioelectromagnetics 19:98-106. 1998
  5. ncbi request reprint Multi-night exposure to 60 Hz magnetic fields: effects on melatonin and its enzymatic metabolite
    C Graham
    Midwest Research Institute, Kansas City, Missouri, USA
    J Pineal Res 28:1-8. 2000
  6. ncbi request reprint Melatonin and 6-OHMS in high-intensity magnetic fields
    C Graham
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    J Pineal Res 31:85-8. 2001
  7. pmc Examination of the melatonin hypothesis in women exposed at night to EMF or bright light
    C Graham
    Midwest Research Institute, Kansas City, Missouri, USA
    Environ Health Perspect 109:501-7. 2001
  8. pmc Cardiac autonomic control mechanisms in power-frequency magnetic fields: a multistudy analysis
    C Graham
    Midwest Research Institute, Kansas City, Missouri, USA
    Environ Health Perspect 108:737-42. 2000
  9. ncbi request reprint Human melatonin during continuous magnetic field exposure
    C Graham
    Midwest Research Institute, Kansas City, MO 64110, USA
    Bioelectromagnetics 18:166-71. 1997
  10. ncbi request reprint Nocturnal magnetic field exposure: gender-specific effects on heart rate variability and sleep
    C Graham
    Midwest Research Institute, 425 Volker Boulevard, Kansas City, MO 64110, USA
    Clin Neurophysiol 111:1936-41. 2000

Collaborators

Detail Information

Publications17

  1. ncbi request reprint Morning urinary assessment of nocturnal melatonin secretion in older women
    M R Cook
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    J Pineal Res 28:41-7. 2000
    ..The inclusion of morning urine samples in epidemiological studies of cancer could allow cost-effective, widespread testing of the role played by melatonin in human health and disease...
  2. ncbi request reprint Heart rate variability and physiological arousal in men exposed to 60 Hz magnetic fields
    C Graham
    Midwest Research Institute, Kansas City, MO 64110, USA
    Bioelectromagnetics 21:480-2. 2000
    ..This may account for the observed differences in results. Further research is needed to determine if field exposure interacts with physiological arousal mechanisms to alter autonomic nervous system control over cardiac rhythms...
  3. ncbi request reprint Exposure to strong ELF magnetic fields does not alter cardiac autonomic control mechanisms
    C Graham
    Midwest Research Institute, Kansas City, MO 64110, USA
    Bioelectromagnetics 21:413-21. 2000
    ....
  4. ncbi request reprint Nocturnal exposure to intermittent 60 Hz magnetic fields alters human cardiac rhythm
    A Sastre
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    Bioelectromagnetics 19:98-106. 1998
    ....
  5. ncbi request reprint Multi-night exposure to 60 Hz magnetic fields: effects on melatonin and its enzymatic metabolite
    C Graham
    Midwest Research Institute, Kansas City, Missouri, USA
    J Pineal Res 28:1-8. 2000
    ..Additional research with longer periods of controlled exposure may be warranted...
  6. ncbi request reprint Melatonin and 6-OHMS in high-intensity magnetic fields
    C Graham
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    J Pineal Res 31:85-8. 2001
    ..These results demonstrate that the nocturnal secretion and metabolism of melatonin are not altered in humans by field exposure at an intensity over 600 times higher than that typically encountered in the home...
  7. pmc Examination of the melatonin hypothesis in women exposed at night to EMF or bright light
    C Graham
    Midwest Research Institute, Kansas City, Missouri, USA
    Environ Health Perspect 109:501-7. 2001
    ..Taken together, these results are consistent with a growing body of evidence which generally suggests that environmental EMF exposure has little or no effect on the parameters measured in this report...
  8. pmc Cardiac autonomic control mechanisms in power-frequency magnetic fields: a multistudy analysis
    C Graham
    Midwest Research Institute, Kansas City, Missouri, USA
    Environ Health Perspect 108:737-42. 2000
    ....
  9. ncbi request reprint Human melatonin during continuous magnetic field exposure
    C Graham
    Midwest Research Institute, Kansas City, MO 64110, USA
    Bioelectromagnetics 18:166-71. 1997
    ..We conclude that the intermittent and continuous exposure conditions used in our laboratory to date are not effective in altering nocturnal blood levels of melatonin in human volunteers...
  10. ncbi request reprint Nocturnal magnetic field exposure: gender-specific effects on heart rate variability and sleep
    C Graham
    Midwest Research Institute, 425 Volker Boulevard, Kansas City, MO 64110, USA
    Clin Neurophysiol 111:1936-41. 2000
    ..To determine if controlled exposure to power-frequency magnetic fields alters heart rate variability (HRV) and polysomnographic endpoints in healthy men (n=22) and women (n=24), 40-60 years of age...
  11. ncbi request reprint Brain frequency magnetic fields alter cardiac autonomic control mechanisms
    A Sastre
    Midwest Research Institute, 425 Volker Boulevard, Kansas City, MO 64110, USA
    Clin Neurophysiol 111:1942-8. 2000
    ..Given the central origin of autonomic cardiac control, we determined if field exposure in the beta(1) EEG/MEG frequency range was a more effective stimulus for HRV alteration than 60 Hz fields, and explored the mechanisms involved...
  12. ncbi request reprint Prediction of nocturnal plasma melatonin from morning urinary measures
    C Graham
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    J Pineal Res 24:230-8. 1998
    ..These results support the inclusion of morning urine samples to assess the contribution of the hormone melatonin in occupational or residential studies involving healthy, young men...
  13. ncbi request reprint Human sleep in 60 Hz magnetic fields
    C Graham
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    Bioelectromagnetics 20:277-83. 1999
    ..Poor sleep quality, however, can have a detrimental influence on worker safety and performance, and has been associated with decrements in memory and learning processes. Additional research appears warranted...
  14. ncbi request reprint Test facility for human exposure to AC and DC magnetic fields
    P Doynov
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    Bioelectromagnetics 20:101-11. 1999
    ..The new facilities provide a comprehensive capability for laboratory-based human research on the potential effects of exposure to AC and DC magnetic fields...
  15. ncbi request reprint Human exposure to 60-Hz magnetic fields: neurophysiological effects
    C Graham
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    Int J Psychophysiol 33:169-75. 1999
    ....
  16. ncbi request reprint Self-report of circadian type reflects the phase of the melatonin rhythm
    M Gibertini
    Midwest Research Institute, Kansas City, MO 64110, USA
    Biol Psychol 50:19-33. 1999
    ..Age was related to both melatonin acrophase and circadian type but did not explain the relationship between them. The results replicate and extend findings on circadian type and psychological and physiological variables...
  17. ncbi request reprint All-night exposure to EMF does not alter urinary melatonin, 6-OHMS or immune measures in older men and women
    C Graham
    Midwest Research Institute, Kansas City, Missouri 64110, USA
    J Pineal Res 31:109-13. 2001
    ..The present results replicate and extend earlier negative findings based on the exposure of young men to power-frequency magnetic fields...