For our body to turn sunlight into vitamin D, specific wavelengths must hit the skin. When winter shadows North America, the days get shorter, the sun gets lower and those wavelengths essential for vitamin D synthesis get filtered out.
Vitamin D deficiency (and most of us in the Northern hemisphere are) is most directly related to poor bone health, including rickets and osteomalacia. However, vitamin D deficiency is also associated with an increased risk of other disorders, including certain cancers, type I diabetes, multiple sclerosis, tuberculosis, rheumatoid arthritis, muscle weakness and pain, depression, hypertension, and pregnancy complications. While many of these associations are actively being researched to determine the extent of their connection with vitamin D deficiency, we currently know that vitamin D unquestionably exerts a significant influence on many body systems.
If you want to know more about:
- The main functions of Vitamin D
- What are the best natural sources
- What are the best ways to take vitamin D to ensure you’ve taken enough
- Does sunscreen stop us from absorbing vitamin D?
- Why is vitamin D supplement important
Then you will want to read this SUN article !
What do you do to get your daily dose of vitamin D ?