Hanseul Kim. Marla Lipsyc-Sharf, Xiaoyu Zong. Yin Cao §. Kimmie Ng §. Edward L. Giovannucci §
Gsteroenterology:July 06, 2021 DOI:https://doi.org/10.1053/j.gastro.2021.07.002 Publisher wants $36 for thee PDF
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- Colorectal cancer 25 percent less likely if good level of Vitamin D – 20th meta-analysis – June 2021
- Colon cancer risk increases 30X if you have the worst vitamin D receptor mutation – Jan 2021
Note1: Study noted that diatary Vitamin D was better than supplement.
Vitamin D from animals actually contains 6X the useable Vitamin D than is normally measured
Note2: Non-daily Vitamin D is typically Better than Daily
Background & Aims
Vitamin D has been implicated in colorectal cancer (CRC) pathogenesis, but it remains unknown whether total vitamin D intake is associated with early-onset CRC and precursors diagnosed before age 50.
We prospectively examined the association between total vitamin D intake and risks of early-onset CRC and precursors among women enrolled in the Nurses’ Health Study II. Multivariable-adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) for early-onset CRC were estimated with Cox proportional hazards model. Multivariable-adjusted odds ratios (ORs) and 95% CIs for early-onset conventional adenoma and serrated polyp were estimated with logistic regression model.
We documented 111 incident cases of early-onset CRC during 1,250,560 person-years of follow-up (1991 to 2015). Higher total vitamin D intake was significantly associated with a reduced risk of early-onset CRC (HR for ≥450 IU/day vs <300 IU/day, 0.49; 95% CI, 0.26–0.93; P for trend = .01).
The HR per 400 IU/day increase was 0.46 (95% CI, 0.26–0.83). The inverse association was significant and appeared more evident for dietary sources of vitamin D (HR per 400 IU/day increase, 0.34; 95% CI, 0.15–0.79) than supplemental vitamin D (HR per 400 IU/day increase, 0.77; 95% CI, 0.37–1.62). For CRC precursors, the ORs per 400 IU/day increase were 0.76 (95% CI, 0.65–0.88) for conventional adenoma (n = 1,439) and 0.85 (95% CI, 0.75–0.97) for serrated polyp (n = 1,878).
In a cohort of younger women, higher total vitamin D intake was associated with decreased risks of early-onset CRC and precursors.
Early-Onset Colorectal Cancer 2X less likely if consume 450 IU of Vitamin D daily (1 million person years)– Aug 2021
- Global patterns and trends in colorectal cancer incidence in young adults.
- Colorectal cancer incidence patterns in the United States, 1974–2013.
- Increasing disparities in the age-related incidences of colon and rectal cancers in the United States, 1975–2010.
- Colorectal cancer in the young: epidemiology, prevention, management.
- Prevalence and spectrum of germline cancer susceptibility gene mutations among patients with early-onset colorectal cancer.
- Early-onset colorectal cancer in young individuals.
- Clinical and molecular features of young-onset colorectal cancer.
- Sedentary behaviors, TV viewing time, and risk of young-onset colorectal cancer.
- Association of obesity with risk of early-onset colorectal cancer among women.
- Plasma vitamin D metabolites and risk of colorectal cancer in women.
- A nested case control study of plasma 25-hydroxyvitamin D concentrations and risk of colorectal cancer.
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