Falling short on vitamin D isn’t something to brush off, either. Vitamin D deficiency has been linked to a slew of health ...

This oversimplified understanding has led to widespread vitamin D deficiency in melanin-rich populations and health recommendations that don’t actually work for millions of people.

A deficiency in this mineral can reduce melanin production, causing hair to lose its natural color and turn gray prematurely. This suggests that diet may influence how early gray hair appears ...

The more melanin skin has, the less vitamin D the body can synthesize from the sun. This means that people with darker skin tones may have a higher risk of vitamin D deficiency and need additional ...