bone growth and the creation of new bone in the body When the skin is exposed to ultraviolet B radiation from sunlight, vitamin D is first created in the skin. It is then sent to the liver. to burn further More than 90 percent of the body's vitamin D comes from sunlight. Most people get vitamin D. from the sunlight at least The concentration of vitamin D in the blood is an indicator of a defect. that could be the best
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นานาสาระ frozen shoulder