4. The sun keeps your bones healthy. That's because your body produces vitamin D when exposed to the sun. The so-called "sunshine vitamin" helps the body absorb calcium, which is essential for ...
According to the National Institutes of Health, you need: 15 micrograms (mcg) or 600 International Units (IU) per day for adults aged 19 to 70 20 mcg or 800 IU per day for those 71 and older There ...