A member asked:

Can you tell me for proper calcium absorption from the digestive tract, what role does the skin play?

A doctor has provided 1 answer
Dr. Herman Hammerstead answered

Specializes in Trauma Surgery

Vitamin D: Exposure to Sunlight (uv rays) makes Vitamin D which helps with Ca absorption You can be tested for Vit D and Ca levels and supplement if you are Low/ Be careful not to overdose. Check with your MD

Answered 1/25/2016

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Thank

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Does genetic play any role in skin darkening when exposed to sun?

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