Vitamin D is vital for our health—it ensures our bodies can absorb calcium, which in turn is needed for strong bones. Consequently, a lack of vitamin D can cause soft, misshapen or easily fractured bones. There is also increasing evidence that vitamin D deficiency may be connected to a whole host of chronic and dangerous diseases, ranging from depression to heart disease and certain types of cancer. If you don’t get enough sun exposure or don’t have enough vitamin D in your diet (through foods like oily fish and fortified cereals), you may well be suffering from a deficiency. Here are ten important signs to look out for. Be sure to click NEXT to start the article.