Making sure your body has the vitamin D it needs is easier during the warm, summer months—you can just spend time outside! But now that colder winter weather is here, getting the vitamin D your body needs is a bigger challenge. Not only do the cold temperatures cause us to want to stay inside, but shorter days mean there’s already less sun to go around in the first place. Plus, for most parts of the United States, winter sun rays are more indirect than summer sun rays—meaning your body already isn’t absorbing as many UVB rays as during the summer months.
But why is vitamin D so important? Let’s investigate.