Studientyp:
Medizinische/biologische Studie
(Beobachtungsstudie)
Effects of 60-Hz magnetic field exposure on nocturnal 6-sulfatoxymelatonin, estrogens, luteinizing hormone, and follicle-stimulating hormone in healthy reproductive-age women: results of a crossover trial
med./bio.
[Wirkungen einer 60 Hz-Magnetfeld-Exposition auf nächtliches 6-Sulphatoxymelatonin, Östrogene, das luteinisierende Hormon und das follikelstimulierende Hormon in gesunden Frauen im fortpflanzungsfähigen Alter: Ergebnisse eines Crossover-Trials]
Von:
Davis S, Mirick DK, Chen C, Stanczyk FZ
Veröffentlicht in: Ann Epidemiol 2006; 16 (8): 622-631
Es wird vermutet, dass die Exposition bei Magnetfeldern der häuslichen Umgebung die normale nächtliche Erhöhung der Melatonin-Werte stören kann, was zu einem erhöhten Brustkrebs-Risiko führt. Die Hälfte der Teilnehmerinnen wurde an fünf aufeinanderfolgenden Tagen der frühen bis mittleren Lutealphase des Menstruationszyklus einer Magnetfeld-Exposition zugeordnet. Im nächsten Monat wurden die Teilnehmerinnen schein-exponiert. Die andere Hälfte der Testpersonen wurde der umgekehrten Expositions-Reihenfolge unterworfen.
charging base of electrical toothbrush positioned underneath the bed of the testperson
Aufbau
The height of the appliance underneath the test person's bed was adjusted until the magnetic field at the pillow was 0.5 - 1 µT greater than the ambient magnetic field level without the device turned on.
National Cancer Institute (NCI; U.S. National Institutes of Health), Maryland, USA
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