A new analysis of genetic studies suggests that higher vitamin D levels, using statins (HMG-CoA reductase inhibitors), and eating dried fruit may be linked to a lower risk of ovarian cancer. The research also found that having a favorable body fat profile was associated with a 65% lower risk. However, these findings come from genetic data, not from clinical trials, so they do not prove cause and effect.
The study combined results from multiple Mendelian randomization studies, which use genetic variants to mimic the effects of an exposure. This approach can help identify potential risk factors, but it has limitations. The researchers caution that the associations for vitamin D and statins need further study before any recommendations can be made.
Importantly, this does not mean that taking vitamin D supplements or statins will prevent ovarian cancer. The evidence is based on genetic proxies, not on actual treatments. No safety concerns were reported in this analysis, but that does not mean these interventions are risk-free.
For now, the best advice remains to follow a healthy lifestyle and discuss any concerns about ovarian cancer risk with a doctor. This study adds to the scientific conversation but is not a reason to change your current health habits.