Table 1.
Evidence from ecological studies and one cohort study that solar UVB reduces the risk of the seven rarer types of cancer as well as breast, colon and rectal cancer.
| Cancer | United States, ecological | United States, cohort | Europe | Australia | Asia | Multicontinent |
| Breast | Refs. 2–10 | Refs. 11–13 | Ref. 14 | Ref. 15 | ||
| Colon | Refs. 3–7, 10, 16 | Ref. 17 | Refs. 12, 13, 18 | Refs. 14,* 19, 20 | Refs. 21, 22* | |
| Endometrial | Refs. 3, 6, 7, 9 | Refs. 23 | Ref. 24 | |||
| Esophageal | Refs. 3, 5–7, 9, 10 | Ref. 17 | Refs. 13 | Refs. 14, 19 | ||
| Gastric | Refs. 3, 5–7, 9 | Ref. 17* | Refs. 13 | Refs. 14, 19 | Ref. 22* | |
| Kidney | Refs. 3, 6, 7 | Ref. 17* | Refs. 18 | Refs. 21, 22,* 25 | ||
| NHL | Refs. 3, 6, 7, 26, 27 | Ref. 17* | Refs. 11, 12, 28 | Ref. 29 | Ref. 21 | |
| Ovarian | Refs. 3, 4, 6, 7, 9, 30, 31 | Refs. 12, 13 | Refs. 21, 22,* 32 | |||
| Pancreatic | Refs. 3, 6, 7, 9 | Ref. 17 | Refs. 12, 13 | Ref. 33 | Refs. 14, 34, 35 | Refs. 22,* 36 |
| Rectal | Refs. 3, 5–7, 9, 10 | Ref. 17 | Refs. 12, 18 | Refs. 14,* 19 | Ref. 22* |
*, Marginally insignificant, requires further study to confirm.