The effect of antiretroviral therapy initiation on vitamin D levels and four oral diseases among Kenyan children and adolescents living with HIV.

We also found that children ≤15 years old were less likely to have inadequate vitamin D levels, consistent with evidence that younger children receive more vitamin D through sun exposure/outdoor activities compared to adolescents [ 43 ] and that there is a significant trend in the increase of screen time (either TV, computer or smartphones) among Kenyan adolescents and young adults [ 44 ].

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