Abstract：
:Positive as well as negative health effects of exposure of human skin to UV radiation depend on spectra and fluence rates, both of which being dependent on latitude, time of the day and several other factors. The major positive effects are related to vitamin D photosynthesis and the major negative effect is skin cancer development. The action spectra for these effects are different. This lead us to conclude that for optimal vitamin D synthesis at minimal risk of cutaneous malignant melanoma (CMM), the best time for sun exposure is between 10 a.m. and 1 p.m. Thus, the common health recommendation (that sun exposure should be avoided between the hours of 10 a.m. and 4 p.m. and postponed to the afternoon) may be wrong.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Moan J,Grigalavicius M,Dahlback A,Baturaite Z,Juzeniene Asubject
Has Abstractpub_date
2014-01-01 00:00:00pages
423-8eissn
0065-2598issn
2214-8019journal_volume
810pub_type
杂志文章abstract：:The present results support a role for epithelial cells in the activation of T cells in an apparent antigen-independent manner. The transient expression of CD25 indicates a short acting T cells activation. Possibly, this event primes T cells to respond swiftly upon antigen-specific stimulation or to synthesize mediato...
journal_title：Advances in experimental medicine and biology
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pub_type： 杂志文章,评审
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journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
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journal_title：Advances in experimental medicine and biology
pub_type： 杂志文章,评审
doi：
更新日期：2002-01-01 00:00:00
