Inverse association between breast cancer incidence and degree of visual impairment in Finland.
A total of 10935 women with visual impairment were identified from the Finnish Register of Visual Impairment and followed up for cancer through the Finnish Cancer Registry for years 1983-1996. Breast cancer risk decreased by degree of visual impairment (P for trend 0.04) which suggests a dose-response relationship between visible light and breast cancer risk.
Verkasalo
P K
PK
Department of Public Health, University of Helsinki, Finland.
Pukkala
E
E
Stevens
R G
RG
Ojamo
M
M
Rudanko
S L
SL
D000293:Adolescent; D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000517:prevention & control; D005260:Female; D005387:Finland / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D008550:Melatonin / Q000502:physiology; D008875:Middle Aged; D014786:Vision Disorders / Q000503:physiopathology*
D008550:Melatonin