I’ve said it before and I’ll say it again–get your Vitamin D levels checked. Low levels have been associated with increased risk of cancers (including breast, ovarian, colon and non-Hodgkins lymphoma), diabetes, multiple sclerosis and heart attacks as well as bone fractures. Read more in this attached article. Supplementing without testing may lead to levels too high, however. Insurance may not cover the cost of the testing–but your medical insurance does not have your health as their goal.