The total number of new cases of cancer in Europe appears to have increased by 300,000 since 2004. With an estimated 3.2 million new cases (53% occurring in men, 47% in women) and 1.7 million deaths (56% in men, 44% in women) each year, cancer remains an important public health problem in Europe and the ageing of the European population will cause these numbers to continue to increase even if age-specific rates remain constant. Evidence-based public health measures exist to reduce the mortality of breast and colorectal cancer while the incidence of lung cancer, and several other forms of cancer, could be diminished by improved tobacco control.

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Background: Ecological and observational studies suggest that low vitamin D status could be associated with higher mortality from life-threatening conditions including cancer, cardiovascular disease, and diabetes mellitus that account for 60% to 70% of total mortality in high-income countries. We examined the risk of dying from any cause in subjects who participated in randomized trials testing the impact of vitamin D supplementation (ergocalciferol [vitamin D 2 ] or cholecalciferol [vitamin D 3 ]) on any health condition. Methods: The literature up to November 2006 was searched without language restriction using the following databases: PubMed, ISI Web of Science (Science Citation Index Expanded), EMBASE, and the Cochrane Library. Results: We identified 18 independent randomized controlled trials, including 57 311 participants. A total of 4777 deaths from any cause occurred during a trial size-adjusted mean of 5.7 years. Daily doses of vitamin D supplements varied from 300 to 2000 IU. The trial size-adjusted mean daily vitamin D dose was 528 IU. In 9 trials, there was a 1.4to 5.2-fold difference in serum 25-hydroxyvitamin D between the intervention and control groups. The summary relative risk for mortality from any cause was 0.93 (95% confidence interval, 0.87-0.99). There was neither indication for heterogeneity nor indication for publication biases. The summary relative risk did not change according to the addition of calcium supplements in the intervention. Conclusions: Intake of ordinary doses of vitamin D supplements seems to be associated with decreases in total mortality rates. The relationship between baseline vitamin D status, dose of vitamin D supplements, and total mortality rates remains to be investigated. Population-based, placebo-controlled randomized trials with total mortality as the main end point should be organized for confirming these findings.

Objective To estimate the burden of melanoma resulting from sunbed use in western Europe.Design Systematic review and meta-analysis.

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Epidemiological studies have suggested a reduced risk of several cancers associated with high vitamin D status. We performed a systematic review with meta-analyses of observational studies of serum 25-hydroxyvitamin D level and colorectal, breast and prostate cancer and colonic adenoma. The literature of December 2009 was searched without language restriction. The meta-regression analysis was done to compute dose-response effects. Because in case-control studies, serum 25-hydroxyvitamin D level is measured after the diagnosis of cancer, separate analyses for case-control and prospective studies were done. We identified 35 independent studies. The seven studies on colorectal adenomas were heterogeneous in terms of endpoint and control for major confounding factors, and we did not perform a meta-analysis of these data. The summary relative risk (SRR) and (95% confidence interval) for a 10 ng/ml increase in serum 25-hydroxyvitamin D was 0.85 (0.79; 0.91) for colorectal cancer (2,630 cases in 9 studies); 0.89 (0.81;0.98) for breast cancer (6,175 cases in 10 studies); and 0.99 (0.95;1.03) for prostate cancer (3,956 cases in 11 studies). For breast cancer, case-control studies (3,030 cases) had major limitations and obtained SRR of 0.83 (0.79; 0.87) whereas SRR of prospective studies (3,145 cases) was 0.97 (0.92; 1.03). For colorectal and breast cancer, differences between cases and controls in the season of blood draw or in overweight/obesity or physical inactivity could not explain the results. In conclusion, a consistent inverse relationship between serum 25-hydroxyvitamin D levels and colorectal cancer was found. No association was found for breast and prostate cancer.Vitamin D can inhibit cell proliferation and promote apoptosis in vitro, and several tissues can locally produce the physiologically active form of vitamin D, 1a,25-dihydroxyvitamin D, which has anticarcinogenic properties.1 In addition, these tissues express the vitamin D receptor (VDR) that enables cellular action of the 1a,25-dihydroxyvitamin D. These basic research findings have strengthened the credibility of the hypothesis largely derived from ecological studies in the USA by which a higher vitamin D status would be associated with a lower risk of cancer. 2The 25-hydroxyvitamin D is the precursor of the physiologically active 1a,25-dihydroxyvitamin. The serum level of 25-hydroxyvitamin D is a result of skin exposure to sunlight, total vitamin D intake, and other factors such as age and skin pigmentation. Serum levels vary with season, with the highest levels in summer and autumn. 25-hydroxyvitamin D has a half-life in the circulatory system of about 2-3 weeks. 3In contrast, serum 1a,25-dihydroxyvitamin D is tightly biochemically regulated, except in situations of extreme deficiency, in keeping with its role in calcium homeostasis. It has a circulating half-time of 5-15 hr and exhibits little seasonal variability.3,4 For these reasons, the serum 25-hydroxyvitamin D is considered as reflecting the vitamin D status better than the serum 1a,25-dihy...

Objective To examine changes in temporal trends in breast cancer mortality in women living in 30 European countries. Design Retrospective trend analysis. Data source WHO mortality database on causes of deaths Subjects reviewed Female deaths from breast cancer from 1989 to 2006 Main outcome measures Changes in breast cancer mortality for all women and by age group (<50, 50-69, and ≥70 years) calculated from linear regressions of log transformed, age adjusted death rates. Joinpoint analysis was used to identify the year when trends in all age mortality began to change. Results From 1989 to 2006, there was a median reduction in breast cancer mortality of 19%, ranging from a 45% reduction in Iceland to a 17% increase in Romania. Breast cancer mortality decreased by ≥20% in 15 countries, and the reduction tended to be greater in countries with higher mortality in 1987-9. England and Wales, Northern Ireland, and Scotland had the second, third, and fourth largest decreases of 35%, 29%, and 30%, respectively. In France, Finland, and Sweden, mortality decreased by 11%, 12%, and 16%, respectively. In central European countries mortality did not decline or even increased during the period. Downward mortality trends usually started between 1988 and 1996, and the persistent reduction from 1999 to 2006 indicates that these trends may continue. The median changes in the age groups were −37% (range −76% to −14%) in women aged <50, −21% (−40% to 14%) in 50-69 year olds, and −2% (−42% to 80%) in ≥70 year olds.