William B. Grant|Alan N. Peiris
Differences in vitamin D status may account for unexplained disparities in cancer survival rates between African and white Americans
Sunlight Nutrition and Health Research Center|Mountain Home VA Healthcare System|East Tennessee State University
considerable disparities cancer survival rates exist african americans aas white americans various factors differences socioeconomic status ses cancer stage time diagnosis treatmentwhich analysis considers primary explanatory factorshave accounted many differences additional factor usually considered vitamin previous studies inversely correlated higher solar ultravioletb uvb doses serum 25hydroxyvitamin 25ohd concentrations incidence andor mortality rates 20 types cancer improved survival rates eight types cancer darker skin pigmentation aas 40 lower serum 25ohd concentrations study reviews literature disparities cancer survival aas journal literature indicates disparities 13 types cancer consideration ses stage diagnosis treatment bladder breast colon endometrial lung ovarian pancreatic prostate rectal testicular vaginal cancer hodgkin lymphoma melanoma solar uvb doses andor serum 25ohd concentrations reported inversely correlated incidence andor mortality rates cancers finding suggests future studies consider serum 25ohd concentrations addressing cancer survival disparities measurements serum 25ohd concentrations increasing serum 25ohd concentrations diagnosed cancer leading improved survival rates reduced disparities