Science Questions

Do sunblocks prevent us producing enough Vitamin D?

Sun, 22nd Jan 2012

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Question

Paul Herrington, Facebook asked:

If we get vitamin D from UV light, does that mean the high factor sunblocks we’re encouraged to use are detrimental to our health?

Answer

I think that everything needs to be considered in a balance and there is a very good reason why sunblocks are recommended but common sense should be applied in using those as well. 

I don't put the sunblock on before I go outside but I go first outside and only after being there for 10 or 15 minutes I apply the sunblock. I allow both some vitamin D synthesis in the skin as well as protecting myself from any excess in sunlight.

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