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medical dermatology
“At a glance” at the American Academy of Dermatology meeting.
Light-skinned people synthesize vitamin D much faster than those of darker phototypes, and therefore need very little sun exposure. For them, 30 minutes of sun exposure before 10:00 am or after 6:00 pm in the summer months (without sunscreen) may be sufficient. Dark-skinned people have greater resistance to solar radiation in the skin and therefore need more exposure time to synthesize the same amount of vitamin D.
25/03/2014
